Home / 235,119.12-324,464.31-127,689.18

Finding the Fourth Proportional to 235,119.12, 324,464.31 and 127,689.18

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Solution

The fourth proportional to 235,119.12, 324,464.31 and 127,689.18 is: 176,211.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,119.12 : 324,464.31 = 127,689.18 : x
  2. Step 2: Convert to fraction form
    235,119.12/324,464.31 = 127,689.18/x
  3. Step 3: Cross multiply
    235,119.12x = 324,464.31 × 127,689.18
  4. Step 4: Simplify right side
    235,119.12x = 41,430,581,683.17
  5. Step 5: Solve for x
    x = 41,430,581,683.17/235,119.12
  6. Step 6: Final answer
    x = 176,211.03

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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.