Home / 107,976.90-149,008.02-60,230.22

Finding the Fourth Proportional to 107,976.90, 149,008.02 and 60,230.22

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Solution

The fourth proportional to 107,976.90, 149,008.02 and 60,230.22 is: 83,117.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,976.90 : 149,008.02 = 60,230.22 : x
  2. Step 2: Convert to fraction form
    107,976.90/149,008.02 = 60,230.22/x
  3. Step 3: Cross multiply
    107,976.90x = 149,008.02 × 60,230.22
  4. Step 4: Simplify right side
    107,976.90x = 8,974,785,826.36
  5. Step 5: Solve for x
    x = 8,974,785,826.36/107,976.90
  6. Step 6: Final answer
    x = 83,117.65

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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.