Home / 148,561.65-204,996.20-84,903.57

Finding the Fourth Proportional to 148,561.65, 204,996.20 and 84,903.57

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Solution

The fourth proportional to 148,561.65, 204,996.20 and 84,903.57 is: 117,156.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,561.65 : 204,996.20 = 84,903.57 : x
  2. Step 2: Convert to fraction form
    148,561.65/204,996.20 = 84,903.57/x
  3. Step 3: Cross multiply
    148,561.65x = 204,996.20 × 84,903.57
  4. Step 4: Simplify right side
    148,561.65x = 17,404,908,791.92
  5. Step 5: Solve for x
    x = 17,404,908,791.92/148,561.65
  6. Step 6: Final answer
    x = 117,156.14

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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.