Home / 121,504.10-182,256.15-118,223.60

Finding the Fourth Proportional to 121,504.10, 182,256.15 and 118,223.60

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Solution

The fourth proportional to 121,504.10, 182,256.15 and 118,223.60 is: 177,335.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,504.10 : 182,256.15 = 118,223.60 : x
  2. Step 2: Convert to fraction form
    121,504.10/182,256.15 = 118,223.60/x
  3. Step 3: Cross multiply
    121,504.10x = 182,256.15 × 118,223.60
  4. Step 4: Simplify right side
    121,504.10x = 21,546,978,175.14
  5. Step 5: Solve for x
    x = 21,546,978,175.14/121,504.10
  6. Step 6: Final answer
    x = 177,335.40

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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.