Home / 149,647.10-224,549.47-86,511.56

Finding the Fourth Proportional to 149,647.10, 224,549.47 and 86,511.56

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Solution

The fourth proportional to 149,647.10, 224,549.47 and 86,511.56 is: 129,812.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,647.10 : 224,549.47 = 86,511.56 : x
  2. Step 2: Convert to fraction form
    149,647.10/224,549.47 = 86,511.56/x
  3. Step 3: Cross multiply
    149,647.10x = 224,549.47 × 86,511.56
  4. Step 4: Simplify right side
    149,647.10x = 19,426,125,073.70
  5. Step 5: Solve for x
    x = 19,426,125,073.70/149,647.10
  6. Step 6: Final answer
    x = 129,812.91

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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.