Home / 126,248.43-174,223.44-69,659.81

Finding the Fourth Proportional to 126,248.43, 174,223.44 and 69,659.81

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Solution

The fourth proportional to 126,248.43, 174,223.44 and 69,659.81 is: 96,130.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,248.43 : 174,223.44 = 69,659.81 : x
  2. Step 2: Convert to fraction form
    126,248.43/174,223.44 = 69,659.81/x
  3. Step 3: Cross multiply
    126,248.43x = 174,223.44 × 69,659.81
  4. Step 4: Simplify right side
    126,248.43x = 12,136,371,727.95
  5. Step 5: Solve for x
    x = 12,136,371,727.95/126,248.43
  6. Step 6: Final answer
    x = 96,130.87

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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.