Home / 151,257.06-208,726.56-83,260.80

Finding the Fourth Proportional to 151,257.06, 208,726.56 and 83,260.80

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Solution

The fourth proportional to 151,257.06, 208,726.56 and 83,260.80 is: 114,895.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,257.06 : 208,726.56 = 83,260.80 : x
  2. Step 2: Convert to fraction form
    151,257.06/208,726.56 = 83,260.80/x
  3. Step 3: Cross multiply
    151,257.06x = 208,726.56 × 83,260.80
  4. Step 4: Simplify right side
    151,257.06x = 17,378,740,366.85
  5. Step 5: Solve for x
    x = 17,378,740,366.85/151,257.06
  6. Step 6: Final answer
    x = 114,895.40

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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.