Home / 156,159.54-234,332.63-143,454.78

Finding the Fourth Proportional to 156,159.54, 234,332.63 and 143,454.78

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Solution

The fourth proportional to 156,159.54, 234,332.63 and 143,454.78 is: 215,267.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,159.54 : 234,332.63 = 143,454.78 : x
  2. Step 2: Convert to fraction form
    156,159.54/234,332.63 = 143,454.78/x
  3. Step 3: Cross multiply
    156,159.54x = 234,332.63 × 143,454.78
  4. Step 4: Simplify right side
    156,159.54x = 33,616,135,883.47
  5. Step 5: Solve for x
    x = 33,616,135,883.47/156,159.54
  6. Step 6: Final answer
    x = 215,267.90

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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.