Home / 125,557.25-188,335.88-55,422.59

Finding the Fourth Proportional to 125,557.25, 188,335.88 and 55,422.59

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Solution

The fourth proportional to 125,557.25, 188,335.88 and 55,422.59 is: 83,133.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,557.25 : 188,335.88 = 55,422.59 : x
  2. Step 2: Convert to fraction form
    125,557.25/188,335.88 = 55,422.59/x
  3. Step 3: Cross multiply
    125,557.25x = 188,335.88 × 55,422.59
  4. Step 4: Simplify right side
    125,557.25x = 10,438,062,259.53
  5. Step 5: Solve for x
    x = 10,438,062,259.53/125,557.25
  6. Step 6: Final answer
    x = 83,133.89

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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.