Home / 459,579.43-689,387.69-160,090.30

Finding the Fourth Proportional to 459,579.43, 689,387.69 and 160,090.30

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Solution

The fourth proportional to 459,579.43, 689,387.69 and 160,090.30 is: 240,141.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,579.43 : 689,387.69 = 160,090.30 : x
  2. Step 2: Convert to fraction form
    459,579.43/689,387.69 = 160,090.30/x
  3. Step 3: Cross multiply
    459,579.43x = 689,387.69 × 160,090.30
  4. Step 4: Simplify right side
    459,579.43x = 110,364,282,108.41
  5. Step 5: Solve for x
    x = 110,364,282,108.41/459,579.43
  6. Step 6: Final answer
    x = 240,141.91

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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.