Home / 317,804.11-438,557.90-174,555.61

Finding the Fourth Proportional to 317,804.11, 438,557.90 and 174,555.61

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Solution

The fourth proportional to 317,804.11, 438,557.90 and 174,555.61 is: 240,880.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,804.11 : 438,557.90 = 174,555.61 : x
  2. Step 2: Convert to fraction form
    317,804.11/438,557.90 = 174,555.61/x
  3. Step 3: Cross multiply
    317,804.11x = 438,557.90 × 174,555.61
  4. Step 4: Simplify right side
    317,804.11x = 76,552,739,785.65
  5. Step 5: Solve for x
    x = 76,552,739,785.65/317,804.11
  6. Step 6: Final answer
    x = 240,880.27

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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.