Home / 123,913.80-185,877.78-35,160.30

Finding the Fourth Proportional to 123,913.80, 185,877.78 and 35,160.30

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Solution

The fourth proportional to 123,913.80, 185,877.78 and 35,160.30 is: 52,742.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,913.80 : 185,877.78 = 35,160.30 : x
  2. Step 2: Convert to fraction form
    123,913.80/185,877.78 = 35,160.30/x
  3. Step 3: Cross multiply
    123,913.80x = 185,877.78 × 35,160.30
  4. Step 4: Simplify right side
    123,913.80x = 6,535,518,508.13
  5. Step 5: Solve for x
    x = 6,535,518,508.13/123,913.80
  6. Step 6: Final answer
    x = 52,742.46

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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.