Home / 232,279.40-348,637.80-143,705.90

Finding the Fourth Proportional to 232,279.40, 348,637.80 and 143,705.90

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Solution

The fourth proportional to 232,279.40, 348,637.80 and 143,705.90 is: 215,694.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,279.40 : 348,637.80 = 143,705.90 : x
  2. Step 2: Convert to fraction form
    232,279.40/348,637.80 = 143,705.90/x
  3. Step 3: Cross multiply
    232,279.40x = 348,637.80 × 143,705.90
  4. Step 4: Simplify right side
    232,279.40x = 50,101,308,823.02
  5. Step 5: Solve for x
    x = 50,101,308,823.02/232,279.40
  6. Step 6: Final answer
    x = 215,694.15

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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.