Home / 554,103.91-831,203.05-174,923.20

Finding the Fourth Proportional to 554,103.91, 831,203.05 and 174,923.20

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Solution

The fourth proportional to 554,103.91, 831,203.05 and 174,923.20 is: 262,399.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,103.91 : 831,203.05 = 174,923.20 : x
  2. Step 2: Convert to fraction form
    554,103.91/831,203.05 = 174,923.20/x
  3. Step 3: Cross multiply
    554,103.91x = 831,203.05 × 174,923.20
  4. Step 4: Simplify right side
    554,103.91x = 145,396,697,355.76
  5. Step 5: Solve for x
    x = 145,396,697,355.76/554,103.91
  6. Step 6: Final answer
    x = 262,399.70

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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.