Home / 104,819.40-157,085.10-67,264.20

Finding the Fourth Proportional to 104,819.40, 157,085.10 and 67,264.20

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Solution

The fourth proportional to 104,819.40, 157,085.10 and 67,264.20 is: 100,803.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,819.40 : 157,085.10 = 67,264.20 : x
  2. Step 2: Convert to fraction form
    104,819.40/157,085.10 = 67,264.20/x
  3. Step 3: Cross multiply
    104,819.40x = 157,085.10 × 67,264.20
  4. Step 4: Simplify right side
    104,819.40x = 10,566,203,583.42
  5. Step 5: Solve for x
    x = 10,566,203,583.42/104,819.40
  6. Step 6: Final answer
    x = 100,803.89

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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.