Home / 121,170.06-181,472.94-116,966.16

Finding the Fourth Proportional to 121,170.06, 181,472.94 and 116,966.16

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Solution

The fourth proportional to 121,170.06, 181,472.94 and 116,966.16 is: 175,176.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,170.06 : 181,472.94 = 116,966.16 : x
  2. Step 2: Convert to fraction form
    121,170.06/181,472.94 = 116,966.16/x
  3. Step 3: Cross multiply
    121,170.06x = 181,472.94 × 116,966.16
  4. Step 4: Simplify right side
    121,170.06x = 21,226,192,935.71
  5. Step 5: Solve for x
    x = 21,226,192,935.71/121,170.06
  6. Step 6: Final answer
    x = 175,176.88

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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.