Home / 121,238.24-167,308.66-70,280.53

Finding the Fourth Proportional to 121,238.24, 167,308.66 and 70,280.53

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Solution

The fourth proportional to 121,238.24, 167,308.66 and 70,280.53 is: 96,987.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,238.24 : 167,308.66 = 70,280.53 : x
  2. Step 2: Convert to fraction form
    121,238.24/167,308.66 = 70,280.53/x
  3. Step 3: Cross multiply
    121,238.24x = 167,308.66 × 70,280.53
  4. Step 4: Simplify right side
    121,238.24x = 11,758,540,572.64
  5. Step 5: Solve for x
    x = 11,758,540,572.64/121,238.24
  6. Step 6: Final answer
    x = 96,987.06

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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.