Home / 107,026.32-159,597.39-99,546.78

Finding the Fourth Proportional to 107,026.32, 159,597.39 and 99,546.78

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Solution

The fourth proportional to 107,026.32, 159,597.39 and 99,546.78 is: 148,443.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,026.32 : 159,597.39 = 99,546.78 : x
  2. Step 2: Convert to fraction form
    107,026.32/159,597.39 = 99,546.78/x
  3. Step 3: Cross multiply
    107,026.32x = 159,597.39 × 99,546.78
  4. Step 4: Simplify right side
    107,026.32x = 15,887,406,270.90
  5. Step 5: Solve for x
    x = 15,887,406,270.90/107,026.32
  6. Step 6: Final answer
    x = 148,443.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.