Home / 121,445.11-167,624.30-82,746.94

Finding the Fourth Proportional to 121,445.11, 167,624.30 and 82,746.94

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Solution

The fourth proportional to 121,445.11, 167,624.30 and 82,746.94 is: 114,211.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,445.11 : 167,624.30 = 82,746.94 : x
  2. Step 2: Convert to fraction form
    121,445.11/167,624.30 = 82,746.94/x
  3. Step 3: Cross multiply
    121,445.11x = 167,624.30 × 82,746.94
  4. Step 4: Simplify right side
    121,445.11x = 13,870,397,894.64
  5. Step 5: Solve for x
    x = 13,870,397,894.64/121,445.11
  6. Step 6: Final answer
    x = 114,211.25

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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.