Home / 236,617.20-354,925.80-143,305.20

Finding the Fourth Proportional to 236,617.20, 354,925.80 and 143,305.20

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Solution

The fourth proportional to 236,617.20, 354,925.80 and 143,305.20 is: 214,957.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,617.20 : 354,925.80 = 143,305.20 : x
  2. Step 2: Convert to fraction form
    236,617.20/354,925.80 = 143,305.20/x
  3. Step 3: Cross multiply
    236,617.20x = 354,925.80 × 143,305.20
  4. Step 4: Simplify right side
    236,617.20x = 50,862,712,754.16
  5. Step 5: Solve for x
    x = 50,862,712,754.16/236,617.20
  6. Step 6: Final answer
    x = 214,957.80

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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.