Home / 459,452.16-689,351.04-159,955.20

Finding the Fourth Proportional to 459,452.16, 689,351.04 and 159,955.20

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Solution

The fourth proportional to 459,452.16, 689,351.04 and 159,955.20 is: 239,992.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,452.16 : 689,351.04 = 159,955.20 : x
  2. Step 2: Convert to fraction form
    459,452.16/689,351.04 = 159,955.20/x
  3. Step 3: Cross multiply
    459,452.16x = 689,351.04 × 159,955.20
  4. Step 4: Simplify right side
    459,452.16x = 110,265,283,473.41
  5. Step 5: Solve for x
    x = 110,265,283,473.41/459,452.16
  6. Step 6: Final answer
    x = 239,992.96

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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.