Home / 126,396.18-174,422.16-69,806.34

Finding the Fourth Proportional to 126,396.18, 174,422.16 and 69,806.34

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Solution

The fourth proportional to 126,396.18, 174,422.16 and 69,806.34 is: 96,330.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,396.18 : 174,422.16 = 69,806.34 : x
  2. Step 2: Convert to fraction form
    126,396.18/174,422.16 = 69,806.34/x
  3. Step 3: Cross multiply
    126,396.18x = 174,422.16 × 69,806.34
  4. Step 4: Simplify right side
    126,396.18x = 12,175,772,604.49
  5. Step 5: Solve for x
    x = 12,175,772,604.49/126,396.18
  6. Step 6: Final answer
    x = 96,330.23

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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.