Home / 483,501.20-724,996.65-163,543.10

Finding the Fourth Proportional to 483,501.20, 724,996.65 and 163,543.10

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Solution

The fourth proportional to 483,501.20, 724,996.65 and 163,543.10 is: 245,228.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,501.20 : 724,996.65 = 163,543.10 : x
  2. Step 2: Convert to fraction form
    483,501.20/724,996.65 = 163,543.10/x
  3. Step 3: Cross multiply
    483,501.20x = 724,996.65 × 163,543.10
  4. Step 4: Simplify right side
    483,501.20x = 118,568,199,630.62
  5. Step 5: Solve for x
    x = 118,568,199,630.62/483,501.20
  6. Step 6: Final answer
    x = 245,228.35

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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.