Home / 136,575.24-188,406.85-91,264.35

Finding the Fourth Proportional to 136,575.24, 188,406.85 and 91,264.35

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Solution

The fourth proportional to 136,575.24, 188,406.85 and 91,264.35 is: 125,900.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,575.24 : 188,406.85 = 91,264.35 : x
  2. Step 2: Convert to fraction form
    136,575.24/188,406.85 = 91,264.35/x
  3. Step 3: Cross multiply
    136,575.24x = 188,406.85 × 91,264.35
  4. Step 4: Simplify right side
    136,575.24x = 17,194,828,700.80
  5. Step 5: Solve for x
    x = 17,194,828,700.80/136,575.24
  6. Step 6: Final answer
    x = 125,900.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.