Home / 176,655.08-243,778.86-100,181.36

Finding the Fourth Proportional to 176,655.08, 243,778.86 and 100,181.36

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Solution

The fourth proportional to 176,655.08, 243,778.86 and 100,181.36 is: 138,247.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,655.08 : 243,778.86 = 100,181.36 : x
  2. Step 2: Convert to fraction form
    176,655.08/243,778.86 = 100,181.36/x
  3. Step 3: Cross multiply
    176,655.08x = 243,778.86 × 100,181.36
  4. Step 4: Simplify right side
    176,655.08x = 24,422,096,515.16
  5. Step 5: Solve for x
    x = 24,422,096,515.16/176,655.08
  6. Step 6: Final answer
    x = 138,247.35

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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.