Home / 459,575.43-689,381.69-160,086.30

Finding the Fourth Proportional to 459,575.43, 689,381.69 and 160,086.30

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Solution

The fourth proportional to 459,575.43, 689,381.69 and 160,086.30 is: 240,135.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,575.43 : 689,381.69 = 160,086.30 : x
  2. Step 2: Convert to fraction form
    459,575.43/689,381.69 = 160,086.30/x
  3. Step 3: Cross multiply
    459,575.43x = 689,381.69 × 160,086.30
  4. Step 4: Simplify right side
    459,575.43x = 110,360,563,239.42
  5. Step 5: Solve for x
    x = 110,360,563,239.42/459,575.43
  6. Step 6: Final answer
    x = 240,135.91

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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.