Home / 232,128.32-348,178.14-82,348.88

Finding the Fourth Proportional to 232,128.32, 348,178.14 and 82,348.88

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Solution

The fourth proportional to 232,128.32, 348,178.14 and 82,348.88 is: 123,518.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,128.32 : 348,178.14 = 82,348.88 : x
  2. Step 2: Convert to fraction form
    232,128.32/348,178.14 = 82,348.88/x
  3. Step 3: Cross multiply
    232,128.32x = 348,178.14 × 82,348.88
  4. Step 4: Simplify right side
    232,128.32x = 28,672,078,128.59
  5. Step 5: Solve for x
    x = 28,672,078,128.59/232,128.32
  6. Step 6: Final answer
    x = 123,518.23

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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.