Home / 195,329.60-292,994.40-172,001.60

Finding the Fourth Proportional to 195,329.60, 292,994.40 and 172,001.60

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Solution

The fourth proportional to 195,329.60, 292,994.40 and 172,001.60 is: 258,002.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,329.60 : 292,994.40 = 172,001.60 : x
  2. Step 2: Convert to fraction form
    195,329.60/292,994.40 = 172,001.60/x
  3. Step 3: Cross multiply
    195,329.60x = 292,994.40 × 172,001.60
  4. Step 4: Simplify right side
    195,329.60x = 50,395,505,591.04
  5. Step 5: Solve for x
    x = 50,395,505,591.04/195,329.60
  6. Step 6: Final answer
    x = 258,002.40

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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.