Home / 133,093.52-183,666.25-72,661.24

Finding the Fourth Proportional to 133,093.52, 183,666.25 and 72,661.24

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Solution

The fourth proportional to 133,093.52, 183,666.25 and 72,661.24 is: 100,270.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,093.52 : 183,666.25 = 72,661.24 : x
  2. Step 2: Convert to fraction form
    133,093.52/183,666.25 = 72,661.24/x
  3. Step 3: Cross multiply
    133,093.52x = 183,666.25 × 72,661.24
  4. Step 4: Simplify right side
    133,093.52x = 13,345,417,471.15
  5. Step 5: Solve for x
    x = 13,345,417,471.15/133,093.52
  6. Step 6: Final answer
    x = 100,270.98

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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.