Home / 317,433.12-438,066.78-174,202.62

Finding the Fourth Proportional to 317,433.12, 438,066.78 and 174,202.62

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Solution

The fourth proportional to 317,433.12, 438,066.78 and 174,202.62 is: 240,404.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,433.12 : 438,066.78 = 174,202.62 : x
  2. Step 2: Convert to fraction form
    317,433.12/438,066.78 = 174,202.62/x
  3. Step 3: Cross multiply
    317,433.12x = 438,066.78 × 174,202.62
  4. Step 4: Simplify right side
    317,433.12x = 76,312,380,810.96
  5. Step 5: Solve for x
    x = 76,312,380,810.96/317,433.12
  6. Step 6: Final answer
    x = 240,404.60

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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.