Home / 125,412.38-173,057.65-74,416.32

Finding the Fourth Proportional to 125,412.38, 173,057.65 and 74,416.32

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Solution

The fourth proportional to 125,412.38, 173,057.65 and 74,416.32 is: 102,687.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,412.38 : 173,057.65 = 74,416.32 : x
  2. Step 2: Convert to fraction form
    125,412.38/173,057.65 = 74,416.32/x
  3. Step 3: Cross multiply
    125,412.38x = 173,057.65 × 74,416.32
  4. Step 4: Simplify right side
    125,412.38x = 12,878,313,588.75
  5. Step 5: Solve for x
    x = 12,878,313,588.75/125,412.38
  6. Step 6: Final answer
    x = 102,687.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.