Home / 278,176.15-383,883.08-150,851.74

Finding the Fourth Proportional to 278,176.15, 383,883.08 and 150,851.74

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Solution

The fourth proportional to 278,176.15, 383,883.08 and 150,851.74 is: 208,175.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,176.15 : 383,883.08 = 150,851.74 : x
  2. Step 2: Convert to fraction form
    278,176.15/383,883.08 = 150,851.74/x
  3. Step 3: Cross multiply
    278,176.15x = 383,883.08 × 150,851.74
  4. Step 4: Simplify right side
    278,176.15x = 57,909,432,144.99
  5. Step 5: Solve for x
    x = 57,909,432,144.99/278,176.15
  6. Step 6: Final answer
    x = 208,175.40

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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.