Home / 158,519.64-218,757.30-86,902.26

Finding the Fourth Proportional to 158,519.64, 218,757.30 and 86,902.26

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Solution

The fourth proportional to 158,519.64, 218,757.30 and 86,902.26 is: 119,925.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,519.64 : 218,757.30 = 86,902.26 : x
  2. Step 2: Convert to fraction form
    158,519.64/218,757.30 = 86,902.26/x
  3. Step 3: Cross multiply
    158,519.64x = 218,757.30 × 86,902.26
  4. Step 4: Simplify right side
    158,519.64x = 19,010,503,761.50
  5. Step 5: Solve for x
    x = 19,010,503,761.50/158,519.64
  6. Step 6: Final answer
    x = 119,925.23

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1.5x scale

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.