Home / 158,372.15-218,553.62-86,753.34

Finding the Fourth Proportional to 158,372.15, 218,553.62 and 86,753.34

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Solution

The fourth proportional to 158,372.15, 218,553.62 and 86,753.34 is: 119,719.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,372.15 : 218,553.62 = 86,753.34 : x
  2. Step 2: Convert to fraction form
    158,372.15/218,553.62 = 86,753.34/x
  3. Step 3: Cross multiply
    158,372.15x = 218,553.62 × 86,753.34
  4. Step 4: Simplify right side
    158,372.15x = 18,960,256,070.32
  5. Step 5: Solve for x
    x = 18,960,256,070.32/158,372.15
  6. Step 6: Final answer
    x = 119,719.64

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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.