Home / 317,395.38-438,006.15-174,156.51

Finding the Fourth Proportional to 317,395.38, 438,006.15 and 174,156.51

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Solution

The fourth proportional to 317,395.38, 438,006.15 and 174,156.51 is: 240,336.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,395.38 : 438,006.15 = 174,156.51 : x
  2. Step 2: Convert to fraction form
    317,395.38/438,006.15 = 174,156.51/x
  3. Step 3: Cross multiply
    317,395.38x = 438,006.15 × 174,156.51
  4. Step 4: Simplify right side
    317,395.38x = 76,281,622,442.54
  5. Step 5: Solve for x
    x = 76,281,622,442.54/317,395.38
  6. Step 6: Final answer
    x = 240,336.27

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1.5x scale

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.