Home / 181,360.68-272,130.20-81,591.36

Finding the Fourth Proportional to 181,360.68, 272,130.20 and 81,591.36

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Solution

The fourth proportional to 181,360.68, 272,130.20 and 81,591.36 is: 122,427.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,360.68 : 272,130.20 = 81,591.36 : x
  2. Step 2: Convert to fraction form
    181,360.68/272,130.20 = 81,591.36/x
  3. Step 3: Cross multiply
    181,360.68x = 272,130.20 × 81,591.36
  4. Step 4: Simplify right side
    181,360.68x = 22,203,473,115.07
  5. Step 5: Solve for x
    x = 22,203,473,115.07/181,360.68
  6. Step 6: Final answer
    x = 122,427.16

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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.