Home / 156,554.96-234,521.40-86,259.92

Finding the Fourth Proportional to 156,554.96, 234,521.40 and 86,259.92

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Solution

The fourth proportional to 156,554.96, 234,521.40 and 86,259.92 is: 129,218.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,554.96 : 234,521.40 = 86,259.92 : x
  2. Step 2: Convert to fraction form
    156,554.96/234,521.40 = 86,259.92/x
  3. Step 3: Cross multiply
    156,554.96x = 234,521.40 × 86,259.92
  4. Step 4: Simplify right side
    156,554.96x = 20,229,797,202.29
  5. Step 5: Solve for x
    x = 20,229,797,202.29/156,554.96
  6. Step 6: Final answer
    x = 129,218.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.