Home / 122,951.68-169,681.36-92,683.60

Finding the Fourth Proportional to 122,951.68, 169,681.36 and 92,683.60

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Solution

The fourth proportional to 122,951.68, 169,681.36 and 92,683.60 is: 127,909.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,951.68 : 169,681.36 = 92,683.60 : x
  2. Step 2: Convert to fraction form
    122,951.68/169,681.36 = 92,683.60/x
  3. Step 3: Cross multiply
    122,951.68x = 169,681.36 × 92,683.60
  4. Step 4: Simplify right side
    122,951.68x = 15,726,679,297.70
  5. Step 5: Solve for x
    x = 15,726,679,297.70/122,951.68
  6. Step 6: Final answer
    x = 127,909.43

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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.