Home / 317,432.04-438,062.82-174,183.72

Finding the Fourth Proportional to 317,432.04, 438,062.82 and 174,183.72

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Solution

The fourth proportional to 317,432.04, 438,062.82 and 174,183.72 is: 240,377.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,432.04 : 438,062.82 = 174,183.72 : x
  2. Step 2: Convert to fraction form
    317,432.04/438,062.82 = 174,183.72/x
  3. Step 3: Cross multiply
    317,432.04x = 438,062.82 × 174,183.72
  4. Step 4: Simplify right side
    317,432.04x = 76,303,411,581.29
  5. Step 5: Solve for x
    x = 76,303,411,581.29/317,432.04
  6. Step 6: Final answer
    x = 240,377.16

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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.