Home / 176,631.36-243,585.28-136,280.96

Finding the Fourth Proportional to 176,631.36, 243,585.28 and 136,280.96

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Solution

The fourth proportional to 176,631.36, 243,585.28 and 136,280.96 is: 187,939.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,631.36 : 243,585.28 = 136,280.96 : x
  2. Step 2: Convert to fraction form
    176,631.36/243,585.28 = 136,280.96/x
  3. Step 3: Cross multiply
    176,631.36x = 243,585.28 × 136,280.96
  4. Step 4: Simplify right side
    176,631.36x = 33,196,035,800.27
  5. Step 5: Solve for x
    x = 33,196,035,800.27/176,631.36
  6. Step 6: Final answer
    x = 187,939.65

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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.