Home / 113,197.79-156,215.96-62,211.98

Finding the Fourth Proportional to 113,197.79, 156,215.96 and 62,211.98

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Solution

The fourth proportional to 113,197.79, 156,215.96 and 62,211.98 is: 85,854.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,197.79 : 156,215.96 = 62,211.98 : x
  2. Step 2: Convert to fraction form
    113,197.79/156,215.96 = 62,211.98/x
  3. Step 3: Cross multiply
    113,197.79x = 156,215.96 × 62,211.98
  4. Step 4: Simplify right side
    113,197.79x = 9,718,503,087.06
  5. Step 5: Solve for x
    x = 9,718,503,087.06/113,197.79
  6. Step 6: Final answer
    x = 85,854.18

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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.