Home / 123,905.19-185,864.82-35,151.72

Finding the Fourth Proportional to 123,905.19, 185,864.82 and 35,151.72

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Solution

The fourth proportional to 123,905.19, 185,864.82 and 35,151.72 is: 52,729.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,905.19 : 185,864.82 = 35,151.72 : x
  2. Step 2: Convert to fraction form
    123,905.19/185,864.82 = 35,151.72/x
  3. Step 3: Cross multiply
    123,905.19x = 185,864.82 × 35,151.72
  4. Step 4: Simplify right side
    123,905.19x = 6,533,468,110.49
  5. Step 5: Solve for x
    x = 6,533,468,110.49/123,905.19
  6. Step 6: Final answer
    x = 52,729.58

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1.5x scale

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.