Home / 317,815.45-438,594.95-174,575.45

Finding the Fourth Proportional to 317,815.45, 438,594.95 and 174,575.45

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Solution

The fourth proportional to 317,815.45, 438,594.95 and 174,575.45 is: 240,919.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,815.45 : 438,594.95 = 174,575.45 : x
  2. Step 2: Convert to fraction form
    317,815.45/438,594.95 = 174,575.45/x
  3. Step 3: Cross multiply
    317,815.45x = 438,594.95 × 174,575.45
  4. Step 4: Simplify right side
    317,815.45x = 76,567,912,296.90
  5. Step 5: Solve for x
    x = 76,567,912,296.90/317,815.45
  6. Step 6: Final answer
    x = 240,919.42

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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.