Home / 127,726.97-176,263.25-74,043.23

Finding the Fourth Proportional to 127,726.97, 176,263.25 and 74,043.23

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Solution

The fourth proportional to 127,726.97, 176,263.25 and 74,043.23 is: 102,179.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,726.97 : 176,263.25 = 74,043.23 : x
  2. Step 2: Convert to fraction form
    127,726.97/176,263.25 = 74,043.23/x
  3. Step 3: Cross multiply
    127,726.97x = 176,263.25 × 74,043.23
  4. Step 4: Simplify right side
    127,726.97x = 13,051,099,108.77
  5. Step 5: Solve for x
    x = 13,051,099,108.77/127,726.97
  6. Step 6: Final answer
    x = 102,179.67

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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.