Home / 232,929.12-321,434.73-130,958.90

Finding the Fourth Proportional to 232,929.12, 321,434.73 and 130,958.90

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Solution

The fourth proportional to 232,929.12, 321,434.73 and 130,958.90 is: 180,719.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,929.12 : 321,434.73 = 130,958.90 : x
  2. Step 2: Convert to fraction form
    232,929.12/321,434.73 = 130,958.90/x
  3. Step 3: Cross multiply
    232,929.12x = 321,434.73 × 130,958.90
  4. Step 4: Simplify right side
    232,929.12x = 42,094,737,055.42
  5. Step 5: Solve for x
    x = 42,094,737,055.42/232,929.12
  6. Step 6: Final answer
    x = 180,719.08

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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.