Home / 126,640.46-174,756.49-69,269.11

Finding the Fourth Proportional to 126,640.46, 174,756.49 and 69,269.11

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Solution

The fourth proportional to 126,640.46, 174,756.49 and 69,269.11 is: 95,587.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,640.46 : 174,756.49 = 69,269.11 : x
  2. Step 2: Convert to fraction form
    126,640.46/174,756.49 = 69,269.11/x
  3. Step 3: Cross multiply
    126,640.46x = 174,756.49 × 69,269.11
  4. Step 4: Simplify right side
    126,640.46x = 12,105,225,918.96
  5. Step 5: Solve for x
    x = 12,105,225,918.96/126,640.46
  6. Step 6: Final answer
    x = 95,587.35

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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.