Home / 479,144.31-718,560.90-159,210.29

Finding the Fourth Proportional to 479,144.31, 718,560.90 and 159,210.29

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Solution

The fourth proportional to 479,144.31, 718,560.90 and 159,210.29 is: 238,763.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,144.31 : 718,560.90 = 159,210.29 : x
  2. Step 2: Convert to fraction form
    479,144.31/718,560.90 = 159,210.29/x
  3. Step 3: Cross multiply
    479,144.31x = 718,560.90 × 159,210.29
  4. Step 4: Simplify right side
    479,144.31x = 114,402,285,678.86
  5. Step 5: Solve for x
    x = 114,402,285,678.86/479,144.31
  6. Step 6: Final answer
    x = 238,763.74

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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.