Home / 151,683.03-209,306.84-88,008.53

Finding the Fourth Proportional to 151,683.03, 209,306.84 and 88,008.53

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Solution

The fourth proportional to 151,683.03, 209,306.84 and 88,008.53 is: 121,442.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,683.03 : 209,306.84 = 88,008.53 : x
  2. Step 2: Convert to fraction form
    151,683.03/209,306.84 = 88,008.53/x
  3. Step 3: Cross multiply
    151,683.03x = 209,306.84 × 88,008.53
  4. Step 4: Simplify right side
    151,683.03x = 18,420,785,820.77
  5. Step 5: Solve for x
    x = 18,420,785,820.77/151,683.03
  6. Step 6: Final answer
    x = 121,442.63

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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.