Home / 407,722.07-611,535.59-108,225.92

Finding the Fourth Proportional to 407,722.07, 611,535.59 and 108,225.92

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Solution

The fourth proportional to 407,722.07, 611,535.59 and 108,225.92 is: 162,326.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,722.07 : 611,535.59 = 108,225.92 : x
  2. Step 2: Convert to fraction form
    407,722.07/611,535.59 = 108,225.92/x
  3. Step 3: Cross multiply
    407,722.07x = 611,535.59 × 108,225.92
  4. Step 4: Simplify right side
    407,722.07x = 66,184,002,828.20
  5. Step 5: Solve for x
    x = 66,184,002,828.20/407,722.07
  6. Step 6: Final answer
    x = 162,326.27

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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.