Home / 113,443.57-156,546.18-62,446.34

Finding the Fourth Proportional to 113,443.57, 156,546.18 and 62,446.34

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Solution

The fourth proportional to 113,443.57, 156,546.18 and 62,446.34 is: 86,172.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,443.57 : 156,546.18 = 62,446.34 : x
  2. Step 2: Convert to fraction form
    113,443.57/156,546.18 = 62,446.34/x
  3. Step 3: Cross multiply
    113,443.57x = 156,546.18 × 62,446.34
  4. Step 4: Simplify right side
    113,443.57x = 9,775,736,373.35
  5. Step 5: Solve for x
    x = 9,775,736,373.35/113,443.57
  6. Step 6: Final answer
    x = 86,172.68

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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.