Home / 353,198.88-487,521.18-240,087.24

Finding the Fourth Proportional to 353,198.88, 487,521.18 and 240,087.24

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Solution

The fourth proportional to 353,198.88, 487,521.18 and 240,087.24 is: 331,392.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,198.88 : 487,521.18 = 240,087.24 : x
  2. Step 2: Convert to fraction form
    353,198.88/487,521.18 = 240,087.24/x
  3. Step 3: Cross multiply
    353,198.88x = 487,521.18 × 240,087.24
  4. Step 4: Simplify right side
    353,198.88x = 117,047,614,547.74
  5. Step 5: Solve for x
    x = 117,047,614,547.74/353,198.88
  6. Step 6: Final answer
    x = 331,392.94

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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.