Home / 176,719.13-243,872.40-97,231.13

Finding the Fourth Proportional to 176,719.13, 243,872.40 and 97,231.13

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Solution

The fourth proportional to 176,719.13, 243,872.40 and 97,231.13 is: 134,178.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,719.13 : 243,872.40 = 97,231.13 : x
  2. Step 2: Convert to fraction form
    176,719.13/243,872.40 = 97,231.13/x
  3. Step 3: Cross multiply
    176,719.13x = 243,872.40 × 97,231.13
  4. Step 4: Simplify right side
    176,719.13x = 23,711,987,808.45
  5. Step 5: Solve for x
    x = 23,711,987,808.45/176,719.13
  6. Step 6: Final answer
    x = 134,178.96

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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.