Home / 235,371.08-324,805.21-127,938.35

Finding the Fourth Proportional to 235,371.08, 324,805.21 and 127,938.35

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Solution

The fourth proportional to 235,371.08, 324,805.21 and 127,938.35 is: 176,551.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,371.08 : 324,805.21 = 127,938.35 : x
  2. Step 2: Convert to fraction form
    235,371.08/324,805.21 = 127,938.35/x
  3. Step 3: Cross multiply
    235,371.08x = 324,805.21 × 127,938.35
  4. Step 4: Simplify right side
    235,371.08x = 41,555,043,130.97
  5. Step 5: Solve for x
    x = 41,555,043,130.97/235,371.08
  6. Step 6: Final answer
    x = 176,551.18

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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.