Home / 110,710.26-152,789.58-90,510.66

Finding the Fourth Proportional to 110,710.26, 152,789.58 and 90,510.66

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Solution

The fourth proportional to 110,710.26, 152,789.58 and 90,510.66 is: 124,912.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,710.26 : 152,789.58 = 90,510.66 : x
  2. Step 2: Convert to fraction form
    110,710.26/152,789.58 = 90,510.66/x
  3. Step 3: Cross multiply
    110,710.26x = 152,789.58 × 90,510.66
  4. Step 4: Simplify right side
    110,710.26x = 13,829,085,726.92
  5. Step 5: Solve for x
    x = 13,829,085,726.92/110,710.26
  6. Step 6: Final answer
    x = 124,912.41

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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.