Home / 235,154.22-324,515.21-127,726.35

Finding the Fourth Proportional to 235,154.22, 324,515.21 and 127,726.35

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Solution

The fourth proportional to 235,154.22, 324,515.21 and 127,726.35 is: 176,263.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,154.22 : 324,515.21 = 127,726.35 : x
  2. Step 2: Convert to fraction form
    235,154.22/324,515.21 = 127,726.35/x
  3. Step 3: Cross multiply
    235,154.22x = 324,515.21 × 127,726.35
  4. Step 4: Simplify right side
    235,154.22x = 41,449,143,292.78
  5. Step 5: Solve for x
    x = 41,449,143,292.78/235,154.22
  6. Step 6: Final answer
    x = 176,263.66

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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.