Home / 125,659.16-188,382.77-54,528.20

Finding the Fourth Proportional to 125,659.16, 188,382.77 and 54,528.20

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Solution

The fourth proportional to 125,659.16, 188,382.77 and 54,528.20 is: 81,746.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,659.16 : 188,382.77 = 54,528.20 : x
  2. Step 2: Convert to fraction form
    125,659.16/188,382.77 = 54,528.20/x
  3. Step 3: Cross multiply
    125,659.16x = 188,382.77 × 54,528.20
  4. Step 4: Simplify right side
    125,659.16x = 10,272,172,144.56
  5. Step 5: Solve for x
    x = 10,272,172,144.56/125,659.16
  6. Step 6: Final answer
    x = 81,746.31

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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.