Home / 253,454.02-349,276.44-192,928.78

Finding the Fourth Proportional to 253,454.02, 349,276.44 and 192,928.78

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Solution

The fourth proportional to 253,454.02, 349,276.44 and 192,928.78 is: 265,868.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,454.02 : 349,276.44 = 192,928.78 : x
  2. Step 2: Convert to fraction form
    253,454.02/349,276.44 = 192,928.78/x
  3. Step 3: Cross multiply
    253,454.02x = 349,276.44 × 192,928.78
  4. Step 4: Simplify right side
    253,454.02x = 67,385,477,451.94
  5. Step 5: Solve for x
    x = 67,385,477,451.94/253,454.02
  6. Step 6: Final answer
    x = 265,868.65

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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.