Home / 176,209.29-243,165.31-99,727.00

Finding the Fourth Proportional to 176,209.29, 243,165.31 and 99,727.00

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Solution

The fourth proportional to 176,209.29, 243,165.31 and 99,727.00 is: 137,621.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,209.29 : 243,165.31 = 99,727.00 : x
  2. Step 2: Convert to fraction form
    176,209.29/243,165.31 = 99,727.00/x
  3. Step 3: Cross multiply
    176,209.29x = 243,165.31 × 99,727.00
  4. Step 4: Simplify right side
    176,209.29x = 24,250,146,013.14
  5. Step 5: Solve for x
    x = 24,250,146,013.14/176,209.29
  6. Step 6: Final answer
    x = 137,621.27

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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.