Home / 105,446.55-145,412.58-96,694.56

Finding the Fourth Proportional to 105,446.55, 145,412.58 and 96,694.56

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Solution

The fourth proportional to 105,446.55, 145,412.58 and 96,694.56 is: 133,343.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,446.55 : 145,412.58 = 96,694.56 : x
  2. Step 2: Convert to fraction form
    105,446.55/145,412.58 = 96,694.56/x
  3. Step 3: Cross multiply
    105,446.55x = 145,412.58 × 96,694.56
  4. Step 4: Simplify right side
    105,446.55x = 14,060,605,441.56
  5. Step 5: Solve for x
    x = 14,060,605,441.56/105,446.55
  6. Step 6: Final answer
    x = 133,343.44

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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.