Home / 317,835.25-438,612.65-174,597.69

Finding the Fourth Proportional to 317,835.25, 438,612.65 and 174,597.69

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Solution

The fourth proportional to 317,835.25, 438,612.65 and 174,597.69 is: 240,944.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,835.25 : 438,612.65 = 174,597.69 : x
  2. Step 2: Convert to fraction form
    317,835.25/438,612.65 = 174,597.69/x
  3. Step 3: Cross multiply
    317,835.25x = 438,612.65 × 174,597.69
  4. Step 4: Simplify right side
    317,835.25x = 76,580,755,494.78
  5. Step 5: Solve for x
    x = 76,580,755,494.78/317,835.25
  6. Step 6: Final answer
    x = 240,944.81

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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.