Home / 115,151.04-172,718.24-36,287.84

Finding the Fourth Proportional to 115,151.04, 172,718.24 and 36,287.84

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Solution

The fourth proportional to 115,151.04, 172,718.24 and 36,287.84 is: 54,429.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,151.04 : 172,718.24 = 36,287.84 : x
  2. Step 2: Convert to fraction form
    115,151.04/172,718.24 = 36,287.84/x
  3. Step 3: Cross multiply
    115,151.04x = 172,718.24 × 36,287.84
  4. Step 4: Simplify right side
    115,151.04x = 6,267,571,858.20
  5. Step 5: Solve for x
    x = 6,267,571,858.20/115,151.04
  6. Step 6: Final answer
    x = 54,429.14

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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.