Home / 156,729.40-216,290.86-92,203.18

Finding the Fourth Proportional to 156,729.40, 216,290.86 and 92,203.18

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Solution

The fourth proportional to 156,729.40, 216,290.86 and 92,203.18 is: 127,242.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,729.40 : 216,290.86 = 92,203.18 : x
  2. Step 2: Convert to fraction form
    156,729.40/216,290.86 = 92,203.18/x
  3. Step 3: Cross multiply
    156,729.40x = 216,290.86 × 92,203.18
  4. Step 4: Simplify right side
    156,729.40x = 19,942,704,325.70
  5. Step 5: Solve for x
    x = 19,942,704,325.70/156,729.40
  6. Step 6: Final answer
    x = 127,242.91

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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.