Home / 127,706.22-176,143.95-108,453.06

Finding the Fourth Proportional to 127,706.22, 176,143.95 and 108,453.06

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Solution

The fourth proportional to 127,706.22, 176,143.95 and 108,453.06 is: 149,588.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,706.22 : 176,143.95 = 108,453.06 : x
  2. Step 2: Convert to fraction form
    127,706.22/176,143.95 = 108,453.06/x
  3. Step 3: Cross multiply
    127,706.22x = 176,143.95 × 108,453.06
  4. Step 4: Simplify right side
    127,706.22x = 19,103,350,377.99
  5. Step 5: Solve for x
    x = 19,103,350,377.99/127,706.22
  6. Step 6: Final answer
    x = 149,588.25

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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.