Home / 185,344.80-255,776.08-100,461.84

Finding the Fourth Proportional to 185,344.80, 255,776.08 and 100,461.84

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Solution

The fourth proportional to 185,344.80, 255,776.08 and 100,461.84 is: 138,637.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,344.80 : 255,776.08 = 100,461.84 : x
  2. Step 2: Convert to fraction form
    185,344.80/255,776.08 = 100,461.84/x
  3. Step 3: Cross multiply
    185,344.80x = 255,776.08 × 100,461.84
  4. Step 4: Simplify right side
    185,344.80x = 25,695,735,624.79
  5. Step 5: Solve for x
    x = 25,695,735,624.79/185,344.80
  6. Step 6: Final answer
    x = 138,637.48

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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.