Home / 121,088.73-181,639.92-36,851.64

Finding the Fourth Proportional to 121,088.73, 181,639.92 and 36,851.64

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Solution

The fourth proportional to 121,088.73, 181,639.92 and 36,851.64 is: 55,279.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,088.73 : 181,639.92 = 36,851.64 : x
  2. Step 2: Convert to fraction form
    121,088.73/181,639.92 = 36,851.64/x
  3. Step 3: Cross multiply
    121,088.73x = 181,639.92 × 36,851.64
  4. Step 4: Simplify right side
    121,088.73x = 6,693,728,941.47
  5. Step 5: Solve for x
    x = 6,693,728,941.47/121,088.73
  6. Step 6: Final answer
    x = 55,279.54

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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.