Home / 114,944.80-172,417.20-75,546.40

Finding the Fourth Proportional to 114,944.80, 172,417.20 and 75,546.40

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Solution

The fourth proportional to 114,944.80, 172,417.20 and 75,546.40 is: 113,319.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,944.80 : 172,417.20 = 75,546.40 : x
  2. Step 2: Convert to fraction form
    114,944.80/172,417.20 = 75,546.40/x
  3. Step 3: Cross multiply
    114,944.80x = 172,417.20 × 75,546.40
  4. Step 4: Simplify right side
    114,944.80x = 13,025,498,758.08
  5. Step 5: Solve for x
    x = 13,025,498,758.08/114,944.80
  6. Step 6: Final answer
    x = 113,319.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.