Home / 279,817.93-386,149.04-152,493.63

Finding the Fourth Proportional to 279,817.93, 386,149.04 and 152,493.63

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Solution

The fourth proportional to 279,817.93, 386,149.04 and 152,493.63 is: 210,441.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,817.93 : 386,149.04 = 152,493.63 : x
  2. Step 2: Convert to fraction form
    279,817.93/386,149.04 = 152,493.63/x
  3. Step 3: Cross multiply
    279,817.93x = 386,149.04 × 152,493.63
  4. Step 4: Simplify right side
    279,817.93x = 58,885,268,830.62
  5. Step 5: Solve for x
    x = 58,885,268,830.62/279,817.93
  6. Step 6: Final answer
    x = 210,441.37

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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.