Home / 147,588.29-221,398.26-40,972.70

Finding the Fourth Proportional to 147,588.29, 221,398.26 and 40,972.70

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Solution

The fourth proportional to 147,588.29, 221,398.26 and 40,972.70 is: 61,463.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,588.29 : 221,398.26 = 40,972.70 : x
  2. Step 2: Convert to fraction form
    147,588.29/221,398.26 = 40,972.70/x
  3. Step 3: Cross multiply
    147,588.29x = 221,398.26 × 40,972.70
  4. Step 4: Simplify right side
    147,588.29x = 9,071,284,487.50
  5. Step 5: Solve for x
    x = 9,071,284,487.50/147,588.29
  6. Step 6: Final answer
    x = 61,463.44

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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.