Home / 121,254.90-167,354.25-70,300.53

Finding the Fourth Proportional to 121,254.90, 167,354.25 and 70,300.53

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Solution

The fourth proportional to 121,254.90, 167,354.25 and 70,300.53 is: 97,027.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,254.90 : 167,354.25 = 70,300.53 : x
  2. Step 2: Convert to fraction form
    121,254.90/167,354.25 = 70,300.53/x
  3. Step 3: Cross multiply
    121,254.90x = 167,354.25 × 70,300.53
  4. Step 4: Simplify right side
    121,254.90x = 11,765,092,472.75
  5. Step 5: Solve for x
    x = 11,765,092,472.75/121,254.90
  6. Step 6: Final answer
    x = 97,027.77

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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.