Home / 439,547.12-659,189.45-186,826.51

Finding the Fourth Proportional to 439,547.12, 659,189.45 and 186,826.51

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Solution

The fourth proportional to 439,547.12, 659,189.45 and 186,826.51 is: 280,183.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,547.12 : 659,189.45 = 186,826.51 : x
  2. Step 2: Convert to fraction form
    439,547.12/659,189.45 = 186,826.51/x
  3. Step 3: Cross multiply
    439,547.12x = 659,189.45 × 186,826.51
  4. Step 4: Simplify right side
    439,547.12x = 123,154,063,191.41
  5. Step 5: Solve for x
    x = 123,154,063,191.41/439,547.12
  6. Step 6: Final answer
    x = 280,183.99

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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.