Home / 158,587.52-218,853.79-86,963.27

Finding the Fourth Proportional to 158,587.52, 218,853.79 and 86,963.27

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Solution

The fourth proportional to 158,587.52, 218,853.79 and 86,963.27 is: 120,010.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,587.52 : 218,853.79 = 86,963.27 : x
  2. Step 2: Convert to fraction form
    158,587.52/218,853.79 = 86,963.27/x
  3. Step 3: Cross multiply
    158,587.52x = 218,853.79 × 86,963.27
  4. Step 4: Simplify right side
    158,587.52x = 19,032,241,230.29
  5. Step 5: Solve for x
    x = 19,032,241,230.29/158,587.52
  6. Step 6: Final answer
    x = 120,010.96

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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.