Home / 235,154.78-324,515.99-127,726.91

Finding the Fourth Proportional to 235,154.78, 324,515.99 and 127,726.91

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Solution

The fourth proportional to 235,154.78, 324,515.99 and 127,726.91 is: 176,264.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,154.78 : 324,515.99 = 127,726.91 : x
  2. Step 2: Convert to fraction form
    235,154.78/324,515.99 = 127,726.91/x
  3. Step 3: Cross multiply
    235,154.78x = 324,515.99 × 127,726.91
  4. Step 4: Simplify right side
    235,154.78x = 41,449,424,820.95
  5. Step 5: Solve for x
    x = 41,449,424,820.95/235,154.78
  6. Step 6: Final answer
    x = 176,264.43

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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.