Home / 115,189.27-172,798.52-45,059.47

Finding the Fourth Proportional to 115,189.27, 172,798.52 and 45,059.47

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Solution

The fourth proportional to 115,189.27, 172,798.52 and 45,059.47 is: 67,594.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,189.27 : 172,798.52 = 45,059.47 : x
  2. Step 2: Convert to fraction form
    115,189.27/172,798.52 = 45,059.47/x
  3. Step 3: Cross multiply
    115,189.27x = 172,798.52 × 45,059.47
  4. Step 4: Simplify right side
    115,189.27x = 7,786,209,727.98
  5. Step 5: Solve for x
    x = 7,786,209,727.98/115,189.27
  6. Step 6: Final answer
    x = 67,594.92

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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.