Home / 158,078.28-218,131.38-94,407.24

Finding the Fourth Proportional to 158,078.28, 218,131.38 and 94,407.24

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Solution

The fourth proportional to 158,078.28, 218,131.38 and 94,407.24 is: 130,272.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,078.28 : 218,131.38 = 94,407.24 : x
  2. Step 2: Convert to fraction form
    158,078.28/218,131.38 = 94,407.24/x
  3. Step 3: Cross multiply
    158,078.28x = 218,131.38 × 94,407.24
  4. Step 4: Simplify right side
    158,078.28x = 20,593,181,543.19
  5. Step 5: Solve for x
    x = 20,593,181,543.19/158,078.28
  6. Step 6: Final answer
    x = 130,272.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.