Home / 164,269.89-226,715.76-99,771.75

Finding the Fourth Proportional to 164,269.89, 226,715.76 and 99,771.75

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Solution

The fourth proportional to 164,269.89, 226,715.76 and 99,771.75 is: 137,699.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,269.89 : 226,715.76 = 99,771.75 : x
  2. Step 2: Convert to fraction form
    164,269.89/226,715.76 = 99,771.75/x
  3. Step 3: Cross multiply
    164,269.89x = 226,715.76 × 99,771.75
  4. Step 4: Simplify right side
    164,269.89x = 22,619,828,127.78
  5. Step 5: Solve for x
    x = 22,619,828,127.78/164,269.89
  6. Step 6: Final answer
    x = 137,699.17

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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.