Home / 121,133.13-167,151.29-70,162.41

Finding the Fourth Proportional to 121,133.13, 167,151.29 and 70,162.41

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Solution

The fourth proportional to 121,133.13, 167,151.29 and 70,162.41 is: 96,816.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,133.13 : 167,151.29 = 70,162.41 : x
  2. Step 2: Convert to fraction form
    121,133.13/167,151.29 = 70,162.41/x
  3. Step 3: Cross multiply
    121,133.13x = 167,151.29 × 70,162.41
  4. Step 4: Simplify right side
    121,133.13x = 11,727,737,341.01
  5. Step 5: Solve for x
    x = 11,727,737,341.01/121,133.13
  6. Step 6: Final answer
    x = 96,816.93

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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.