Home / 121,179.47-167,184.38-70,164.35

Finding the Fourth Proportional to 121,179.47, 167,184.38 and 70,164.35

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Solution

The fourth proportional to 121,179.47, 167,184.38 and 70,164.35 is: 96,801.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,179.47 : 167,184.38 = 70,164.35 : x
  2. Step 2: Convert to fraction form
    121,179.47/167,184.38 = 70,164.35/x
  3. Step 3: Cross multiply
    121,179.47x = 167,184.38 × 70,164.35
  4. Step 4: Simplify right side
    121,179.47x = 11,730,383,592.15
  5. Step 5: Solve for x
    x = 11,730,383,592.15/121,179.47
  6. Step 6: Final answer
    x = 96,801.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.