Home / 186,976.88-257,897.15-126,520.91

Finding the Fourth Proportional to 186,976.88, 257,897.15 and 126,520.91

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Solution

The fourth proportional to 186,976.88, 257,897.15 and 126,520.91 is: 174,510.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,976.88 : 257,897.15 = 126,520.91 : x
  2. Step 2: Convert to fraction form
    186,976.88/257,897.15 = 126,520.91/x
  3. Step 3: Cross multiply
    186,976.88x = 257,897.15 × 126,520.91
  4. Step 4: Simplify right side
    186,976.88x = 32,629,380,182.32
  5. Step 5: Solve for x
    x = 32,629,380,182.32/186,976.88
  6. Step 6: Final answer
    x = 174,510.24

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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.