Home / 229,290.24-316,418.88-127,315.20

Finding the Fourth Proportional to 229,290.24, 316,418.88 and 127,315.20

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Solution

The fourth proportional to 229,290.24, 316,418.88 and 127,315.20 is: 175,694.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,290.24 : 316,418.88 = 127,315.20 : x
  2. Step 2: Convert to fraction form
    229,290.24/316,418.88 = 127,315.20/x
  3. Step 3: Cross multiply
    229,290.24x = 316,418.88 × 127,315.20
  4. Step 4: Simplify right side
    229,290.24x = 40,284,932,990.98
  5. Step 5: Solve for x
    x = 40,284,932,990.98/229,290.24
  6. Step 6: Final answer
    x = 175,694.06

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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.