Home / 194,395.32-268,315.61-126,581.58

Finding the Fourth Proportional to 194,395.32, 268,315.61 and 126,581.58

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Solution

The fourth proportional to 194,395.32, 268,315.61 and 126,581.58 is: 174,715.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,395.32 : 268,315.61 = 126,581.58 : x
  2. Step 2: Convert to fraction form
    194,395.32/268,315.61 = 126,581.58/x
  3. Step 3: Cross multiply
    194,395.32x = 268,315.61 × 126,581.58
  4. Step 4: Simplify right side
    194,395.32x = 33,963,813,219.56
  5. Step 5: Solve for x
    x = 33,963,813,219.56/194,395.32
  6. Step 6: Final answer
    x = 174,715.18

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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.