Home / 113,631.20-156,820.38-62,648.58

Finding the Fourth Proportional to 113,631.20, 156,820.38 and 62,648.58

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Solution

The fourth proportional to 113,631.20, 156,820.38 and 62,648.58 is: 86,460.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,631.20 : 156,820.38 = 62,648.58 : x
  2. Step 2: Convert to fraction form
    113,631.20/156,820.38 = 62,648.58/x
  3. Step 3: Cross multiply
    113,631.20x = 156,820.38 × 62,648.58
  4. Step 4: Simplify right side
    113,631.20x = 9,824,574,122.06
  5. Step 5: Solve for x
    x = 9,824,574,122.06/113,631.20
  6. Step 6: Final answer
    x = 86,460.18

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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.