Home / 121,088.22-181,639.18-36,851.14

Finding the Fourth Proportional to 121,088.22, 181,639.18 and 36,851.14

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Solution

The fourth proportional to 121,088.22, 181,639.18 and 36,851.14 is: 55,278.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,088.22 : 181,639.18 = 36,851.14 : x
  2. Step 2: Convert to fraction form
    121,088.22/181,639.18 = 36,851.14/x
  3. Step 3: Cross multiply
    121,088.22x = 181,639.18 × 36,851.14
  4. Step 4: Simplify right side
    121,088.22x = 6,693,610,851.67
  5. Step 5: Solve for x
    x = 6,693,610,851.67/121,088.22
  6. Step 6: Final answer
    x = 55,278.79

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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.