Home / 107,382.40-148,082.24-98,906.24

Finding the Fourth Proportional to 107,382.40, 148,082.24 and 98,906.24

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Solution

The fourth proportional to 107,382.40, 148,082.24 and 98,906.24 is: 136,393.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,382.40 : 148,082.24 = 98,906.24 : x
  2. Step 2: Convert to fraction form
    107,382.40/148,082.24 = 98,906.24/x
  3. Step 3: Cross multiply
    107,382.40x = 148,082.24 × 98,906.24
  4. Step 4: Simplify right side
    107,382.40x = 14,646,257,569.18
  5. Step 5: Solve for x
    x = 14,646,257,569.18/107,382.40
  6. Step 6: Final answer
    x = 136,393.46

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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.