Home / 459,872.13-689,558.04-160,272.30

Finding the Fourth Proportional to 459,872.13, 689,558.04 and 160,272.30

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Solution

The fourth proportional to 459,872.13, 689,558.04 and 160,272.30 is: 240,321.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,872.13 : 689,558.04 = 160,272.30 : x
  2. Step 2: Convert to fraction form
    459,872.13/689,558.04 = 160,272.30/x
  3. Step 3: Cross multiply
    459,872.13x = 689,558.04 × 160,272.30
  4. Step 4: Simplify right side
    459,872.13x = 110,517,053,054.29
  5. Step 5: Solve for x
    x = 110,517,053,054.29/459,872.13
  6. Step 6: Final answer
    x = 240,321.27

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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.