Home / 115,150.13-172,725.20-44,980.24

Finding the Fourth Proportional to 115,150.13, 172,725.20 and 44,980.24

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Solution

The fourth proportional to 115,150.13, 172,725.20 and 44,980.24 is: 67,470.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,150.13 : 172,725.20 = 44,980.24 : x
  2. Step 2: Convert to fraction form
    115,150.13/172,725.20 = 44,980.24/x
  3. Step 3: Cross multiply
    115,150.13x = 172,725.20 × 44,980.24
  4. Step 4: Simplify right side
    115,150.13x = 7,769,219,861.52
  5. Step 5: Solve for x
    x = 7,769,219,861.52/115,150.13
  6. Step 6: Final answer
    x = 67,470.35

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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.