Home / 158,156.52-218,255.10-86,535.24

Finding the Fourth Proportional to 158,156.52, 218,255.10 and 86,535.24

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Solution

The fourth proportional to 158,156.52, 218,255.10 and 86,535.24 is: 119,418.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,156.52 : 218,255.10 = 86,535.24 : x
  2. Step 2: Convert to fraction form
    158,156.52/218,255.10 = 86,535.24/x
  3. Step 3: Cross multiply
    158,156.52x = 218,255.10 × 86,535.24
  4. Step 4: Simplify right side
    158,156.52x = 18,886,757,459.72
  5. Step 5: Solve for x
    x = 18,886,757,459.72/158,156.52
  6. Step 6: Final answer
    x = 119,418.14

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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.