Home / 385,006.05-577,607.49-148,285.17

Finding the Fourth Proportional to 385,006.05, 577,607.49 and 148,285.17

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Solution

The fourth proportional to 385,006.05, 577,607.49 and 148,285.17 is: 222,465.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,006.05 : 577,607.49 = 148,285.17 : x
  2. Step 2: Convert to fraction form
    385,006.05/577,607.49 = 148,285.17/x
  3. Step 3: Cross multiply
    385,006.05x = 577,607.49 × 148,285.17
  4. Step 4: Simplify right side
    385,006.05x = 85,650,624,847.92
  5. Step 5: Solve for x
    x = 85,650,624,847.92/385,006.05
  6. Step 6: Final answer
    x = 222,465.66

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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.