Home / 168,423.18-232,446.15-117,402.90

Finding the Fourth Proportional to 168,423.18, 232,446.15 and 117,402.90

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Solution

The fourth proportional to 168,423.18, 232,446.15 and 117,402.90 is: 162,031.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,423.18 : 232,446.15 = 117,402.90 : x
  2. Step 2: Convert to fraction form
    168,423.18/232,446.15 = 117,402.90/x
  3. Step 3: Cross multiply
    168,423.18x = 232,446.15 × 117,402.90
  4. Step 4: Simplify right side
    168,423.18x = 27,289,852,103.84
  5. Step 5: Solve for x
    x = 27,289,852,103.84/168,423.18
  6. Step 6: Final answer
    x = 162,031.45

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1.5x scale

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.