Home / 235,154.72-324,515.90-127,726.85

Finding the Fourth Proportional to 235,154.72, 324,515.90 and 127,726.85

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Solution

The fourth proportional to 235,154.72, 324,515.90 and 127,726.85 is: 176,264.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,154.72 : 324,515.90 = 127,726.85 : x
  2. Step 2: Convert to fraction form
    235,154.72/324,515.90 = 127,726.85/x
  3. Step 3: Cross multiply
    235,154.72x = 324,515.90 × 127,726.85
  4. Step 4: Simplify right side
    235,154.72x = 41,449,393,681.92
  5. Step 5: Solve for x
    x = 41,449,393,681.92/235,154.72
  6. Step 6: Final answer
    x = 176,264.35

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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.