Home / 278,266.48-383,581.65-170,636.92

Finding the Fourth Proportional to 278,266.48, 383,581.65 and 170,636.92

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Solution

The fourth proportional to 278,266.48, 383,581.65 and 170,636.92 is: 235,217.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,266.48 : 383,581.65 = 170,636.92 : x
  2. Step 2: Convert to fraction form
    278,266.48/383,581.65 = 170,636.92/x
  3. Step 3: Cross multiply
    278,266.48x = 383,581.65 × 170,636.92
  4. Step 4: Simplify right side
    278,266.48x = 65,453,191,324.52
  5. Step 5: Solve for x
    x = 65,453,191,324.52/278,266.48
  6. Step 6: Final answer
    x = 235,217.66

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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.