Home / 190,312.20-262,658.79-109,723.95

Finding the Fourth Proportional to 190,312.20, 262,658.79 and 109,723.95

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Solution

The fourth proportional to 190,312.20, 262,658.79 and 109,723.95 is: 151,435.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,312.20 : 262,658.79 = 109,723.95 : x
  2. Step 2: Convert to fraction form
    190,312.20/262,658.79 = 109,723.95/x
  3. Step 3: Cross multiply
    190,312.20x = 262,658.79 × 109,723.95
  4. Step 4: Simplify right side
    190,312.20x = 28,819,959,941.02
  5. Step 5: Solve for x
    x = 28,819,959,941.02/190,312.20
  6. Step 6: Final answer
    x = 151,435.17

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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.