Home / 278,257.26-383,813.43-176,176.32

Finding the Fourth Proportional to 278,257.26, 383,813.43 and 176,176.32

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Solution

The fourth proportional to 278,257.26, 383,813.43 and 176,176.32 is: 243,008.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,257.26 : 383,813.43 = 176,176.32 : x
  2. Step 2: Convert to fraction form
    278,257.26/383,813.43 = 176,176.32/x
  3. Step 3: Cross multiply
    278,257.26x = 383,813.43 × 176,176.32
  4. Step 4: Simplify right side
    278,257.26x = 67,618,837,663.98
  5. Step 5: Solve for x
    x = 67,618,837,663.98/278,257.26
  6. Step 6: Final answer
    x = 243,008.35

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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.