Home / 151,512.25-209,083.06-83,527.65

Finding the Fourth Proportional to 151,512.25, 209,083.06 and 83,527.65

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Solution

The fourth proportional to 151,512.25, 209,083.06 and 83,527.65 is: 115,266.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,512.25 : 209,083.06 = 83,527.65 : x
  2. Step 2: Convert to fraction form
    151,512.25/209,083.06 = 83,527.65/x
  3. Step 3: Cross multiply
    151,512.25x = 209,083.06 × 83,527.65
  4. Step 4: Simplify right side
    151,512.25x = 17,464,216,447.79
  5. Step 5: Solve for x
    x = 17,464,216,447.79/151,512.25
  6. Step 6: Final answer
    x = 115,266.04

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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.