Home / 108,002.19-149,043.12-60,255.55

Finding the Fourth Proportional to 108,002.19, 149,043.12 and 60,255.55

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Solution

The fourth proportional to 108,002.19, 149,043.12 and 60,255.55 is: 83,152.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,002.19 : 149,043.12 = 60,255.55 : x
  2. Step 2: Convert to fraction form
    108,002.19/149,043.12 = 60,255.55/x
  3. Step 3: Cross multiply
    108,002.19x = 149,043.12 × 60,255.55
  4. Step 4: Simplify right side
    108,002.19x = 8,980,674,122.82
  5. Step 5: Solve for x
    x = 8,980,674,122.82/108,002.19
  6. Step 6: Final answer
    x = 83,152.70

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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.