Home / 319,251.79-478,947.77-94,629.55

Finding the Fourth Proportional to 319,251.79, 478,947.77 and 94,629.55

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Solution

The fourth proportional to 319,251.79, 478,947.77 and 94,629.55 is: 141,965.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,251.79 : 478,947.77 = 94,629.55 : x
  2. Step 2: Convert to fraction form
    319,251.79/478,947.77 = 94,629.55/x
  3. Step 3: Cross multiply
    319,251.79x = 478,947.77 × 94,629.55
  4. Step 4: Simplify right side
    319,251.79x = 45,322,611,475.46
  5. Step 5: Solve for x
    x = 45,322,611,475.46/319,251.79
  6. Step 6: Final answer
    x = 141,965.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.