Home / 194,895.36-268,955.64-105,471.36

Finding the Fourth Proportional to 194,895.36, 268,955.64 and 105,471.36

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Solution

The fourth proportional to 194,895.36, 268,955.64 and 105,471.36 is: 145,550.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,895.36 : 268,955.64 = 105,471.36 : x
  2. Step 2: Convert to fraction form
    194,895.36/268,955.64 = 105,471.36/x
  3. Step 3: Cross multiply
    194,895.36x = 268,955.64 × 105,471.36
  4. Step 4: Simplify right side
    194,895.36x = 28,367,117,130.47
  5. Step 5: Solve for x
    x = 28,367,117,130.47/194,895.36
  6. Step 6: Final answer
    x = 145,550.50

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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.