Home / 313,615.10-432,825.92-186,291.20

Finding the Fourth Proportional to 313,615.10, 432,825.92 and 186,291.20

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Solution

The fourth proportional to 313,615.10, 432,825.92 and 186,291.20 is: 257,103.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,615.10 : 432,825.92 = 186,291.20 : x
  2. Step 2: Convert to fraction form
    313,615.10/432,825.92 = 186,291.20/x
  3. Step 3: Cross multiply
    313,615.10x = 432,825.92 × 186,291.20
  4. Step 4: Simplify right side
    313,615.10x = 80,631,656,932.32
  5. Step 5: Solve for x
    x = 80,631,656,932.32/313,615.10
  6. Step 6: Final answer
    x = 257,103.88

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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.