Home / 194,444.45-268,333.43-105,020.45

Finding the Fourth Proportional to 194,444.45, 268,333.43 and 105,020.45

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Solution

The fourth proportional to 194,444.45, 268,333.43 and 105,020.45 is: 144,928.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,444.45 : 268,333.43 = 105,020.45 : x
  2. Step 2: Convert to fraction form
    194,444.45/268,333.43 = 105,020.45/x
  3. Step 3: Cross multiply
    194,444.45x = 268,333.43 × 105,020.45
  4. Step 4: Simplify right side
    194,444.45x = 28,180,497,568.64
  5. Step 5: Solve for x
    x = 28,180,497,568.64/194,444.45
  6. Step 6: Final answer
    x = 144,928.27

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1.5x scale

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.