Home / 554,277.30-831,416.65-133,553.17

Finding the Fourth Proportional to 554,277.30, 831,416.65 and 133,553.17

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Solution

The fourth proportional to 554,277.30, 831,416.65 and 133,553.17 is: 200,329.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,277.30 : 831,416.65 = 133,553.17 : x
  2. Step 2: Convert to fraction form
    554,277.30/831,416.65 = 133,553.17/x
  3. Step 3: Cross multiply
    554,277.30x = 831,416.65 × 133,553.17
  4. Step 4: Simplify right side
    554,277.30x = 111,038,329,198.28
  5. Step 5: Solve for x
    x = 111,038,329,198.28/554,277.30
  6. Step 6: Final answer
    x = 200,329.92

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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.