Home / 121,517.67-167,667.52-70,500.83

Finding the Fourth Proportional to 121,517.67, 167,667.52 and 70,500.83

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Solution

The fourth proportional to 121,517.67, 167,667.52 and 70,500.83 is: 97,275.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,517.67 : 167,667.52 = 70,500.83 : x
  2. Step 2: Convert to fraction form
    121,517.67/167,667.52 = 70,500.83/x
  3. Step 3: Cross multiply
    121,517.67x = 167,667.52 × 70,500.83
  4. Step 4: Simplify right side
    121,517.67x = 11,820,699,384.77
  5. Step 5: Solve for x
    x = 11,820,699,384.77/121,517.67
  6. Step 6: Final answer
    x = 97,275.56

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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.