Home / 194,913.95-268,981.16-105,489.95

Finding the Fourth Proportional to 194,913.95, 268,981.16 and 105,489.95

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Solution

The fourth proportional to 194,913.95, 268,981.16 and 105,489.95 is: 145,576.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,913.95 : 268,981.16 = 105,489.95 : x
  2. Step 2: Convert to fraction form
    194,913.95/268,981.16 = 105,489.95/x
  3. Step 3: Cross multiply
    194,913.95x = 268,981.16 × 105,489.95
  4. Step 4: Simplify right side
    194,913.95x = 28,374,807,246.99
  5. Step 5: Solve for x
    x = 28,374,807,246.99/194,913.95
  6. Step 6: Final answer
    x = 145,576.08

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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.