Home / 125,637.71-188,373.24-45,666.18

Finding the Fourth Proportional to 125,637.71, 188,373.24 and 45,666.18

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Solution

The fourth proportional to 125,637.71, 188,373.24 and 45,666.18 is: 68,468.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,637.71 : 188,373.24 = 45,666.18 : x
  2. Step 2: Convert to fraction form
    125,637.71/188,373.24 = 45,666.18/x
  3. Step 3: Cross multiply
    125,637.71x = 188,373.24 × 45,666.18
  4. Step 4: Simplify right side
    125,637.71x = 8,602,286,285.02
  5. Step 5: Solve for x
    x = 8,602,286,285.02/125,637.71
  6. Step 6: Final answer
    x = 68,468.99

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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.