Home / 320,281.20-441,980.28-177,037.56

Finding the Fourth Proportional to 320,281.20, 441,980.28 and 177,037.56

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Solution

The fourth proportional to 320,281.20, 441,980.28 and 177,037.56 is: 244,307.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,281.20 : 441,980.28 = 177,037.56 : x
  2. Step 2: Convert to fraction form
    320,281.20/441,980.28 = 177,037.56/x
  3. Step 3: Cross multiply
    320,281.20x = 441,980.28 × 177,037.56
  4. Step 4: Simplify right side
    320,281.20x = 78,247,110,339.32
  5. Step 5: Solve for x
    x = 78,247,110,339.32/320,281.20
  6. Step 6: Final answer
    x = 244,307.53

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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.