Home / 133,002.23-183,503.07-87,663.92

Finding the Fourth Proportional to 133,002.23, 183,503.07 and 87,663.92

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Solution

The fourth proportional to 133,002.23, 183,503.07 and 87,663.92 is: 120,949.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,002.23 : 183,503.07 = 87,663.92 : x
  2. Step 2: Convert to fraction form
    133,002.23/183,503.07 = 87,663.92/x
  3. Step 3: Cross multiply
    133,002.23x = 183,503.07 × 87,663.92
  4. Step 4: Simplify right side
    133,002.23x = 16,086,597,530.72
  5. Step 5: Solve for x
    x = 16,086,597,530.72/133,002.23
  6. Step 6: Final answer
    x = 120,949.84

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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.