Home / 109,600.16-151,237.20-61,850.66

Finding the Fourth Proportional to 109,600.16, 151,237.20 and 61,850.66

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Solution

The fourth proportional to 109,600.16, 151,237.20 and 61,850.66 is: 85,347.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,600.16 : 151,237.20 = 61,850.66 : x
  2. Step 2: Convert to fraction form
    109,600.16/151,237.20 = 61,850.66/x
  3. Step 3: Cross multiply
    109,600.16x = 151,237.20 × 61,850.66
  4. Step 4: Simplify right side
    109,600.16x = 9,354,120,636.55
  5. Step 5: Solve for x
    x = 9,354,120,636.55/109,600.16
  6. Step 6: Final answer
    x = 85,347.69

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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.