Home / 304,895.16-457,165.43-115,370.15

Finding the Fourth Proportional to 304,895.16, 457,165.43 and 115,370.15

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Solution

The fourth proportional to 304,895.16, 457,165.43 and 115,370.15 is: 172,988.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,895.16 : 457,165.43 = 115,370.15 : x
  2. Step 2: Convert to fraction form
    304,895.16/457,165.43 = 115,370.15/x
  3. Step 3: Cross multiply
    304,895.16x = 457,165.43 × 115,370.15
  4. Step 4: Simplify right side
    304,895.16x = 52,743,246,144.89
  5. Step 5: Solve for x
    x = 52,743,246,144.89/304,895.16
  6. Step 6: Final answer
    x = 172,988.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.