Home / 156,001.28-215,263.23-88,014.28

Finding the Fourth Proportional to 156,001.28, 215,263.23 and 88,014.28

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Solution

The fourth proportional to 156,001.28, 215,263.23 and 88,014.28 is: 121,449.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,001.28 : 215,263.23 = 88,014.28 : x
  2. Step 2: Convert to fraction form
    156,001.28/215,263.23 = 88,014.28/x
  3. Step 3: Cross multiply
    156,001.28x = 215,263.23 × 88,014.28
  4. Step 4: Simplify right side
    156,001.28x = 18,946,238,198.92
  5. Step 5: Solve for x
    x = 18,946,238,198.92/156,001.28
  6. Step 6: Final answer
    x = 121,449.25

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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.