Home / 289,165.32-399,277.62-192,462.12

Finding the Fourth Proportional to 289,165.32, 399,277.62 and 192,462.12

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Solution

The fourth proportional to 289,165.32, 399,277.62 and 192,462.12 is: 265,750.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,165.32 : 399,277.62 = 192,462.12 : x
  2. Step 2: Convert to fraction form
    289,165.32/399,277.62 = 192,462.12/x
  3. Step 3: Cross multiply
    289,165.32x = 399,277.62 × 192,462.12
  4. Step 4: Simplify right side
    289,165.32x = 76,845,817,213.75
  5. Step 5: Solve for x
    x = 76,845,817,213.75/289,165.32
  6. Step 6: Final answer
    x = 265,750.46

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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.