Home / 232,280.73-320,645.39-156,931.29

Finding the Fourth Proportional to 232,280.73, 320,645.39 and 156,931.29

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Solution

The fourth proportional to 232,280.73, 320,645.39 and 156,931.29 is: 216,631.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,280.73 : 320,645.39 = 156,931.29 : x
  2. Step 2: Convert to fraction form
    232,280.73/320,645.39 = 156,931.29/x
  3. Step 3: Cross multiply
    232,280.73x = 320,645.39 × 156,931.29
  4. Step 4: Simplify right side
    232,280.73x = 50,319,293,900.60
  5. Step 5: Solve for x
    x = 50,319,293,900.60/232,280.73
  6. Step 6: Final answer
    x = 216,631.37

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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.