Home / 125,435.17-188,151.10-30,666.19

Finding the Fourth Proportional to 125,435.17, 188,151.10 and 30,666.19

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Solution

The fourth proportional to 125,435.17, 188,151.10 and 30,666.19 is: 45,998.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,435.17 : 188,151.10 = 30,666.19 : x
  2. Step 2: Convert to fraction form
    125,435.17/188,151.10 = 30,666.19/x
  3. Step 3: Cross multiply
    125,435.17x = 188,151.10 × 30,666.19
  4. Step 4: Simplify right side
    125,435.17x = 5,769,877,381.31
  5. Step 5: Solve for x
    x = 5,769,877,381.31/125,435.17
  6. Step 6: Final answer
    x = 45,998.88

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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.