Home / 278,251.04-383,987.10-150,926.63

Finding the Fourth Proportional to 278,251.04, 383,987.10 and 150,926.63

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Solution

The fourth proportional to 278,251.04, 383,987.10 and 150,926.63 is: 208,279.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,251.04 : 383,987.10 = 150,926.63 : x
  2. Step 2: Convert to fraction form
    278,251.04/383,987.10 = 150,926.63/x
  3. Step 3: Cross multiply
    278,251.04x = 383,987.10 × 150,926.63
  4. Step 4: Simplify right side
    278,251.04x = 57,953,878,966.47
  5. Step 5: Solve for x
    x = 57,953,878,966.47/278,251.04
  6. Step 6: Final answer
    x = 208,279.11

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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.