Home / 172,368,921.60-258,553,382.40-133,821,734.40

Finding the Fourth Proportional to 172,368,921.60, 258,553,382.40 and 133,821,734.40

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Solution

The fourth proportional to 172,368,921.60, 258,553,382.40 and 133,821,734.40 is: 200,732,601.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,368,921.60 : 258,553,382.40 = 133,821,734.40 : x
  2. Step 2: Convert to fraction form
    172,368,921.60/258,553,382.40 = 133,821,734.40/x
  3. Step 3: Cross multiply
    172,368,921.60x = 258,553,382.40 × 133,821,734.40
  4. Step 4: Simplify right side
    172,368,921.60x = 34,600,062,067,754,436
  5. Step 5: Solve for x
    x = 34,600,062,067,754,436/172,368,921.60
  6. Step 6: Final answer
    x = 200,732,601.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.