Home / 253,619.56-350,005.53-140,442.31

Finding the Fourth Proportional to 253,619.56, 350,005.53 and 140,442.31

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Solution

The fourth proportional to 253,619.56, 350,005.53 and 140,442.31 is: 193,816.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,619.56 : 350,005.53 = 140,442.31 : x
  2. Step 2: Convert to fraction form
    253,619.56/350,005.53 = 140,442.31/x
  3. Step 3: Cross multiply
    253,619.56x = 350,005.53 × 140,442.31
  4. Step 4: Simplify right side
    253,619.56x = 49,155,585,145.97
  5. Step 5: Solve for x
    x = 49,155,585,145.97/253,619.56
  6. Step 6: Final answer
    x = 193,816.22

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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.