Home / 121,254.53-167,335.43-70,267.37

Finding the Fourth Proportional to 121,254.53, 167,335.43 and 70,267.37

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Solution

The fourth proportional to 121,254.53, 167,335.43 and 70,267.37 is: 96,971.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,254.53 : 167,335.43 = 70,267.37 : x
  2. Step 2: Convert to fraction form
    121,254.53/167,335.43 = 70,267.37/x
  3. Step 3: Cross multiply
    121,254.53x = 167,335.43 × 70,267.37
  4. Step 4: Simplify right side
    121,254.53x = 11,758,219,385.91
  5. Step 5: Solve for x
    x = 11,758,219,385.91/121,254.53
  6. Step 6: Final answer
    x = 96,971.39

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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.