Home / 113,622.22-156,791.60-62,632.30

Finding the Fourth Proportional to 113,622.22, 156,791.60 and 62,632.30

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Solution

The fourth proportional to 113,622.22, 156,791.60 and 62,632.30 is: 86,428.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,622.22 : 156,791.60 = 62,632.30 : x
  2. Step 2: Convert to fraction form
    113,622.22/156,791.60 = 62,632.30/x
  3. Step 3: Cross multiply
    113,622.22x = 156,791.60 × 62,632.30
  4. Step 4: Simplify right side
    113,622.22x = 9,820,218,528.68
  5. Step 5: Solve for x
    x = 9,820,218,528.68/113,622.22
  6. Step 6: Final answer
    x = 86,428.68

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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.