Home / 176,314.85-243,314.48-100,863.35

Finding the Fourth Proportional to 176,314.85, 243,314.48 and 100,863.35

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Solution

The fourth proportional to 176,314.85, 243,314.48 and 100,863.35 is: 139,191.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,314.85 : 243,314.48 = 100,863.35 : x
  2. Step 2: Convert to fraction form
    176,314.85/243,314.48 = 100,863.35/x
  3. Step 3: Cross multiply
    176,314.85x = 243,314.48 × 100,863.35
  4. Step 4: Simplify right side
    176,314.85x = 24,541,513,556.31
  5. Step 5: Solve for x
    x = 24,541,513,556.31/176,314.85
  6. Step 6: Final answer
    x = 139,191.42

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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.