Home / 111,977.92-154,549.68-64,247.08

Finding the Fourth Proportional to 111,977.92, 154,549.68 and 64,247.08

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Solution

The fourth proportional to 111,977.92, 154,549.68 and 64,247.08 is: 88,672.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,977.92 : 154,549.68 = 64,247.08 : x
  2. Step 2: Convert to fraction form
    111,977.92/154,549.68 = 64,247.08/x
  3. Step 3: Cross multiply
    111,977.92x = 154,549.68 × 64,247.08
  4. Step 4: Simplify right side
    111,977.92x = 9,929,365,654.93
  5. Step 5: Solve for x
    x = 9,929,365,654.93/111,977.92
  6. Step 6: Final answer
    x = 88,672.53

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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.