Home / 117,821.40-176,732.10-51,250.20

Finding the Fourth Proportional to 117,821.40, 176,732.10 and 51,250.20

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Solution

The fourth proportional to 117,821.40, 176,732.10 and 51,250.20 is: 76,875.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,821.40 : 176,732.10 = 51,250.20 : x
  2. Step 2: Convert to fraction form
    117,821.40/176,732.10 = 51,250.20/x
  3. Step 3: Cross multiply
    117,821.40x = 176,732.10 × 51,250.20
  4. Step 4: Simplify right side
    117,821.40x = 9,057,555,471.42
  5. Step 5: Solve for x
    x = 9,057,555,471.42/117,821.40
  6. Step 6: Final answer
    x = 76,875.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.