Home / 185,064.40-255,390.63-108,584.79

Finding the Fourth Proportional to 185,064.40, 255,390.63 and 108,584.79

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Solution

The fourth proportional to 185,064.40, 255,390.63 and 108,584.79 is: 149,848.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,064.40 : 255,390.63 = 108,584.79 : x
  2. Step 2: Convert to fraction form
    185,064.40/255,390.63 = 108,584.79/x
  3. Step 3: Cross multiply
    185,064.40x = 255,390.63 × 108,584.79
  4. Step 4: Simplify right side
    185,064.40x = 27,731,537,926.52
  5. Step 5: Solve for x
    x = 27,731,537,926.52/185,064.40
  6. Step 6: Final answer
    x = 149,848.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.