Home / 108,180.74-149,271.18-60,434.48

Finding the Fourth Proportional to 108,180.74, 149,271.18 and 60,434.48

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Solution

The fourth proportional to 108,180.74, 149,271.18 and 60,434.48 is: 83,389.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,180.74 : 149,271.18 = 60,434.48 : x
  2. Step 2: Convert to fraction form
    108,180.74/149,271.18 = 60,434.48/x
  3. Step 3: Cross multiply
    108,180.74x = 149,271.18 × 60,434.48
  4. Step 4: Simplify right side
    108,180.74x = 9,021,126,142.29
  5. Step 5: Solve for x
    x = 9,021,126,142.29/108,180.74
  6. Step 6: Final answer
    x = 83,389.39

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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.