Home / 317,943.23-438,761.52-174,712.50

Finding the Fourth Proportional to 317,943.23, 438,761.52 and 174,712.50

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Solution

The fourth proportional to 317,943.23, 438,761.52 and 174,712.50 is: 241,103.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,943.23 : 438,761.52 = 174,712.50 : x
  2. Step 2: Convert to fraction form
    317,943.23/438,761.52 = 174,712.50/x
  3. Step 3: Cross multiply
    317,943.23x = 438,761.52 × 174,712.50
  4. Step 4: Simplify right side
    317,943.23x = 76,657,122,063
  5. Step 5: Solve for x
    x = 76,657,122,063/317,943.23
  6. Step 6: Final answer
    x = 241,103.18

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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.