Home / 121,534.50-182,039.30-118,560.18

Finding the Fourth Proportional to 121,534.50, 182,039.30 and 118,560.18

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Solution

The fourth proportional to 121,534.50, 182,039.30 and 118,560.18 is: 177,584.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,534.50 : 182,039.30 = 118,560.18 : x
  2. Step 2: Convert to fraction form
    121,534.50/182,039.30 = 118,560.18/x
  3. Step 3: Cross multiply
    121,534.50x = 182,039.30 × 118,560.18
  4. Step 4: Simplify right side
    121,534.50x = 21,582,612,175.07
  5. Step 5: Solve for x
    x = 21,582,612,175.07/121,534.50
  6. Step 6: Final answer
    x = 177,584.24

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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.