Home / 176,427.66-243,631.56-112,877.10

Finding the Fourth Proportional to 176,427.66, 243,631.56 and 112,877.10

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Solution

The fourth proportional to 176,427.66, 243,631.56 and 112,877.10 is: 155,873.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,427.66 : 243,631.56 = 112,877.10 : x
  2. Step 2: Convert to fraction form
    176,427.66/243,631.56 = 112,877.10/x
  3. Step 3: Cross multiply
    176,427.66x = 243,631.56 × 112,877.10
  4. Step 4: Simplify right side
    176,427.66x = 27,500,423,961.28
  5. Step 5: Solve for x
    x = 27,500,423,961.28/176,427.66
  6. Step 6: Final answer
    x = 155,873.65

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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.