Home / 133,013.62-183,553.06-72,582.76

Finding the Fourth Proportional to 133,013.62, 183,553.06 and 72,582.76

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Solution

The fourth proportional to 133,013.62, 183,553.06 and 72,582.76 is: 100,161.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,013.62 : 183,553.06 = 72,582.76 : x
  2. Step 2: Convert to fraction form
    133,013.62/183,553.06 = 72,582.76/x
  3. Step 3: Cross multiply
    133,013.62x = 183,553.06 × 72,582.76
  4. Step 4: Simplify right side
    133,013.62x = 13,322,787,701.25
  5. Step 5: Solve for x
    x = 13,322,787,701.25/133,013.62
  6. Step 6: Final answer
    x = 100,161.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.