Home / 317,785.32-438,537.60-174,542.04

Finding the Fourth Proportional to 317,785.32, 438,537.60 and 174,542.04

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Solution

The fourth proportional to 317,785.32, 438,537.60 and 174,542.04 is: 240,864.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,785.32 : 438,537.60 = 174,542.04 : x
  2. Step 2: Convert to fraction form
    317,785.32/438,537.60 = 174,542.04/x
  3. Step 3: Cross multiply
    317,785.32x = 438,537.60 × 174,542.04
  4. Step 4: Simplify right side
    317,785.32x = 76,543,247,320.70
  5. Step 5: Solve for x
    x = 76,543,247,320.70/317,785.32
  6. Step 6: Final answer
    x = 240,864.64

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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.