Home / 483,103.14-724,680-146,135.16

Finding the Fourth Proportional to 483,103.14, 724,680 and 146,135.16

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Solution

The fourth proportional to 483,103.14, 724,680 and 146,135.16 is: 219,210.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,103.14 : 724,680 = 146,135.16 : x
  2. Step 2: Convert to fraction form
    483,103.14/724,680 = 146,135.16/x
  3. Step 3: Cross multiply
    483,103.14x = 724,680 × 146,135.16
  4. Step 4: Simplify right side
    483,103.14x = 105,901,227,748.80
  5. Step 5: Solve for x
    x = 105,901,227,748.80/483,103.14
  6. Step 6: Final answer
    x = 219,210.39

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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.