Home / 121,174.03-167,216.36-70,187.76

Finding the Fourth Proportional to 121,174.03, 167,216.36 and 70,187.76

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Solution

The fourth proportional to 121,174.03, 167,216.36 and 70,187.76 is: 96,856.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,174.03 : 167,216.36 = 70,187.76 : x
  2. Step 2: Convert to fraction form
    121,174.03/167,216.36 = 70,187.76/x
  3. Step 3: Cross multiply
    121,174.03x = 167,216.36 × 70,187.76
  4. Step 4: Simplify right side
    121,174.03x = 11,736,541,566.25
  5. Step 5: Solve for x
    x = 11,736,541,566.25/121,174.03
  6. Step 6: Final answer
    x = 96,856.90

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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.