Home / 158,193.83-218,304.56-86,572.41

Finding the Fourth Proportional to 158,193.83, 218,304.56 and 86,572.41

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Solution

The fourth proportional to 158,193.83, 218,304.56 and 86,572.41 is: 119,468.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,193.83 : 218,304.56 = 86,572.41 : x
  2. Step 2: Convert to fraction form
    158,193.83/218,304.56 = 86,572.41/x
  3. Step 3: Cross multiply
    158,193.83x = 218,304.56 × 86,572.41
  4. Step 4: Simplify right side
    158,193.83x = 18,899,151,873.19
  5. Step 5: Solve for x
    x = 18,899,151,873.19/158,193.83
  6. Step 6: Final answer
    x = 119,468.33

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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.