Home / 293,153.60-439,876.20-115,666.40

Finding the Fourth Proportional to 293,153.60, 439,876.20 and 115,666.40

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Solution

The fourth proportional to 293,153.60, 439,876.20 and 115,666.40 is: 173,557.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,153.60 : 439,876.20 = 115,666.40 : x
  2. Step 2: Convert to fraction form
    293,153.60/439,876.20 = 115,666.40/x
  3. Step 3: Cross multiply
    293,153.60x = 439,876.20 × 115,666.40
  4. Step 4: Simplify right side
    293,153.60x = 50,878,896,499.68
  5. Step 5: Solve for x
    x = 50,878,896,499.68/293,153.60
  6. Step 6: Final answer
    x = 173,557.13

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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.