Home / 111,738.96-154,155.80-63,966.56

Finding the Fourth Proportional to 111,738.96, 154,155.80 and 63,966.56

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Solution

The fourth proportional to 111,738.96, 154,155.80 and 63,966.56 is: 88,248.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,738.96 : 154,155.80 = 63,966.56 : x
  2. Step 2: Convert to fraction form
    111,738.96/154,155.80 = 63,966.56/x
  3. Step 3: Cross multiply
    111,738.96x = 154,155.80 × 63,966.56
  4. Step 4: Simplify right side
    111,738.96x = 9,860,816,230.05
  5. Step 5: Solve for x
    x = 9,860,816,230.05/111,738.96
  6. Step 6: Final answer
    x = 88,248.68

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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.