Home / 317,787.50-438,553.64-174,555.41

Finding the Fourth Proportional to 317,787.50, 438,553.64 and 174,555.41

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Solution

The fourth proportional to 317,787.50, 438,553.64 and 174,555.41 is: 240,890.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,787.50 : 438,553.64 = 174,555.41 : x
  2. Step 2: Convert to fraction form
    317,787.50/438,553.64 = 174,555.41/x
  3. Step 3: Cross multiply
    317,787.50x = 438,553.64 × 174,555.41
  4. Step 4: Simplify right side
    317,787.50x = 76,551,908,680.81
  5. Step 5: Solve for x
    x = 76,551,908,680.81/317,787.50
  6. Step 6: Final answer
    x = 240,890.24

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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.