Home / 187,666.83-258,984.56-107,101.86

Finding the Fourth Proportional to 187,666.83, 258,984.56 and 107,101.86

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Solution

The fourth proportional to 187,666.83, 258,984.56 and 107,101.86 is: 147,803.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,666.83 : 258,984.56 = 107,101.86 : x
  2. Step 2: Convert to fraction form
    187,666.83/258,984.56 = 107,101.86/x
  3. Step 3: Cross multiply
    187,666.83x = 258,984.56 × 107,101.86
  4. Step 4: Simplify right side
    187,666.83x = 27,737,727,551.77
  5. Step 5: Solve for x
    x = 27,737,727,551.77/187,666.83
  6. Step 6: Final answer
    x = 147,803.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.