Home / 185,345.46-255,776.45-100,462.55

Finding the Fourth Proportional to 185,345.46, 255,776.45 and 100,462.55

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Solution

The fourth proportional to 185,345.46, 255,776.45 and 100,462.55 is: 138,638.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,345.46 : 255,776.45 = 100,462.55 : x
  2. Step 2: Convert to fraction form
    185,345.46/255,776.45 = 100,462.55/x
  3. Step 3: Cross multiply
    185,345.46x = 255,776.45 × 100,462.55
  4. Step 4: Simplify right side
    185,345.46x = 25,695,952,615.75
  5. Step 5: Solve for x
    x = 25,695,952,615.75/185,345.46
  6. Step 6: Final answer
    x = 138,638.16

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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.