Home / 147,715.40-221,612.70-59,031.20

Finding the Fourth Proportional to 147,715.40, 221,612.70 and 59,031.20

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Solution

The fourth proportional to 147,715.40, 221,612.70 and 59,031.20 is: 88,562.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,715.40 : 221,612.70 = 59,031.20 : x
  2. Step 2: Convert to fraction form
    147,715.40/221,612.70 = 59,031.20/x
  3. Step 3: Cross multiply
    147,715.40x = 221,612.70 × 59,031.20
  4. Step 4: Simplify right side
    147,715.40x = 13,082,063,616.24
  5. Step 5: Solve for x
    x = 13,082,063,616.24/147,715.40
  6. Step 6: Final answer
    x = 88,562.63

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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.