Home / 120,892.04-181,341.79-57,718.88

Finding the Fourth Proportional to 120,892.04, 181,341.79 and 57,718.88

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Solution

The fourth proportional to 120,892.04, 181,341.79 and 57,718.88 is: 86,580.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,892.04 : 181,341.79 = 57,718.88 : x
  2. Step 2: Convert to fraction form
    120,892.04/181,341.79 = 57,718.88/x
  3. Step 3: Cross multiply
    120,892.04x = 181,341.79 × 57,718.88
  4. Step 4: Simplify right side
    120,892.04x = 10,466,844,645.02
  5. Step 5: Solve for x
    x = 10,466,844,645.02/120,892.04
  6. Step 6: Final answer
    x = 86,580.09

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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.