Home / 131,966.70-197,820.45-65,417.10

Finding the Fourth Proportional to 131,966.70, 197,820.45 and 65,417.10

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Solution

The fourth proportional to 131,966.70, 197,820.45 and 65,417.10 is: 98,061.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,966.70 : 197,820.45 = 65,417.10 : x
  2. Step 2: Convert to fraction form
    131,966.70/197,820.45 = 65,417.10/x
  3. Step 3: Cross multiply
    131,966.70x = 197,820.45 × 65,417.10
  4. Step 4: Simplify right side
    131,966.70x = 12,940,840,159.70
  5. Step 5: Solve for x
    x = 12,940,840,159.70/131,966.70
  6. Step 6: Final answer
    x = 98,061.41

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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.