Home / 309,972.40-464,514.58-176,577.20

Finding the Fourth Proportional to 309,972.40, 464,514.58 and 176,577.20

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Solution

The fourth proportional to 309,972.40, 464,514.58 and 176,577.20 is: 264,612.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,972.40 : 464,514.58 = 176,577.20 : x
  2. Step 2: Convert to fraction form
    309,972.40/464,514.58 = 176,577.20/x
  3. Step 3: Cross multiply
    309,972.40x = 464,514.58 × 176,577.20
  4. Step 4: Simplify right side
    309,972.40x = 82,022,683,895.58
  5. Step 5: Solve for x
    x = 82,022,683,895.58/309,972.40
  6. Step 6: Final answer
    x = 264,612.86

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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.