Home / 412,769.48-619,154.88-113,254.16

Finding the Fourth Proportional to 412,769.48, 619,154.88 and 113,254.16

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Solution

The fourth proportional to 412,769.48, 619,154.88 and 113,254.16 is: 169,881.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,769.48 : 619,154.88 = 113,254.16 : x
  2. Step 2: Convert to fraction form
    412,769.48/619,154.88 = 113,254.16/x
  3. Step 3: Cross multiply
    412,769.48x = 619,154.88 × 113,254.16
  4. Step 4: Simplify right side
    412,769.48x = 70,121,865,844.30
  5. Step 5: Solve for x
    x = 70,121,865,844.30/412,769.48
  6. Step 6: Final answer
    x = 169,881.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.