Home / 115,012.26-172,525.28-36,126.48

Finding the Fourth Proportional to 115,012.26, 172,525.28 and 36,126.48

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Solution

The fourth proportional to 115,012.26, 172,525.28 and 36,126.48 is: 54,191.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,012.26 : 172,525.28 = 36,126.48 : x
  2. Step 2: Convert to fraction form
    115,012.26/172,525.28 = 36,126.48/x
  3. Step 3: Cross multiply
    115,012.26x = 172,525.28 × 36,126.48
  4. Step 4: Simplify right side
    115,012.26x = 6,232,731,077.41
  5. Step 5: Solve for x
    x = 6,232,731,077.41/115,012.26
  6. Step 6: Final answer
    x = 54,191.88

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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.