Home / 448,569.12-672,983.54-133,033.62

Finding the Fourth Proportional to 448,569.12, 672,983.54 and 133,033.62

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Solution

The fourth proportional to 448,569.12, 672,983.54 and 133,033.62 is: 199,588.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,569.12 : 672,983.54 = 133,033.62 : x
  2. Step 2: Convert to fraction form
    448,569.12/672,983.54 = 133,033.62/x
  3. Step 3: Cross multiply
    448,569.12x = 672,983.54 × 133,033.62
  4. Step 4: Simplify right side
    448,569.12x = 89,529,436,526.61
  5. Step 5: Solve for x
    x = 89,529,436,526.61/448,569.12
  6. Step 6: Final answer
    x = 199,588.94

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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.