Home / 125,346.43-188,077.06-54,290.80

Finding the Fourth Proportional to 125,346.43, 188,077.06 and 54,290.80

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Solution

The fourth proportional to 125,346.43, 188,077.06 and 54,290.80 is: 81,461.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,346.43 : 188,077.06 = 54,290.80 : x
  2. Step 2: Convert to fraction form
    125,346.43/188,077.06 = 54,290.80/x
  3. Step 3: Cross multiply
    125,346.43x = 188,077.06 × 54,290.80
  4. Step 4: Simplify right side
    125,346.43x = 10,210,853,443.13
  5. Step 5: Solve for x
    x = 10,210,853,443.13/125,346.43
  6. Step 6: Final answer
    x = 81,461.06

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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.