Home / 156,757.18-216,332.40-96,330.34

Finding the Fourth Proportional to 156,757.18, 216,332.40 and 96,330.34

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Solution

The fourth proportional to 156,757.18, 216,332.40 and 96,330.34 is: 132,940.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,757.18 : 216,332.40 = 96,330.34 : x
  2. Step 2: Convert to fraction form
    156,757.18/216,332.40 = 96,330.34/x
  3. Step 3: Cross multiply
    156,757.18x = 216,332.40 × 96,330.34
  4. Step 4: Simplify right side
    156,757.18x = 20,839,373,645.02
  5. Step 5: Solve for x
    x = 20,839,373,645.02/156,757.18
  6. Step 6: Final answer
    x = 132,940.47

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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.