Home / 113,264.76-157,031.85-106,966.20

Finding the Fourth Proportional to 113,264.76, 157,031.85 and 106,966.20

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Solution

The fourth proportional to 113,264.76, 157,031.85 and 106,966.20 is: 148,299.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,264.76 : 157,031.85 = 106,966.20 : x
  2. Step 2: Convert to fraction form
    113,264.76/157,031.85 = 106,966.20/x
  3. Step 3: Cross multiply
    113,264.76x = 157,031.85 × 106,966.20
  4. Step 4: Simplify right side
    113,264.76x = 16,797,100,273.47
  5. Step 5: Solve for x
    x = 16,797,100,273.47/113,264.76
  6. Step 6: Final answer
    x = 148,299.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.