Home / 176,160.28-242,765.60-172,921.40

Finding the Fourth Proportional to 176,160.28, 242,765.60 and 172,921.40

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Solution

The fourth proportional to 176,160.28, 242,765.60 and 172,921.40 is: 238,302.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,160.28 : 242,765.60 = 172,921.40 : x
  2. Step 2: Convert to fraction form
    176,160.28/242,765.60 = 172,921.40/x
  3. Step 3: Cross multiply
    176,160.28x = 242,765.60 × 172,921.40
  4. Step 4: Simplify right side
    176,160.28x = 41,979,367,423.84
  5. Step 5: Solve for x
    x = 41,979,367,423.84/176,160.28
  6. Step 6: Final answer
    x = 238,302.12

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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.