Home / 121,535.49-182,040.79-118,561.17

Finding the Fourth Proportional to 121,535.49, 182,040.79 and 118,561.17

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Solution

The fourth proportional to 121,535.49, 182,040.79 and 118,561.17 is: 177,585.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,535.49 : 182,040.79 = 118,561.17 : x
  2. Step 2: Convert to fraction form
    121,535.49/182,040.79 = 118,561.17/x
  3. Step 3: Cross multiply
    121,535.49x = 182,040.79 × 118,561.17
  4. Step 4: Simplify right side
    121,535.49x = 21,582,969,050.12
  5. Step 5: Solve for x
    x = 21,582,969,050.12/121,535.49
  6. Step 6: Final answer
    x = 177,585.73

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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.