Home / 121,162.53-167,196.23-67,446.17

Finding the Fourth Proportional to 121,162.53, 167,196.23 and 67,446.17

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Solution

The fourth proportional to 121,162.53, 167,196.23 and 67,446.17 is: 93,071.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,162.53 : 167,196.23 = 67,446.17 : x
  2. Step 2: Convert to fraction form
    121,162.53/167,196.23 = 67,446.17/x
  3. Step 3: Cross multiply
    121,162.53x = 167,196.23 × 67,446.17
  4. Step 4: Simplify right side
    121,162.53x = 11,276,744,515.96
  5. Step 5: Solve for x
    x = 11,276,744,515.96/121,162.53
  6. Step 6: Final answer
    x = 93,071.22

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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.