Home / 317,650.12-438,364.23-174,410.73

Finding the Fourth Proportional to 317,650.12, 438,364.23 and 174,410.73

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Solution

The fourth proportional to 317,650.12, 438,364.23 and 174,410.73 is: 240,690.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,650.12 : 438,364.23 = 174,410.73 : x
  2. Step 2: Convert to fraction form
    317,650.12/438,364.23 = 174,410.73/x
  3. Step 3: Cross multiply
    317,650.12x = 438,364.23 × 174,410.73
  4. Step 4: Simplify right side
    317,650.12x = 76,455,425,360.19
  5. Step 5: Solve for x
    x = 76,455,425,360.19/317,650.12
  6. Step 6: Final answer
    x = 240,690.69

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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.