Home / 148,301.77-204,655.29-80,317.17

Finding the Fourth Proportional to 148,301.77, 204,655.29 and 80,317.17

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Solution

The fourth proportional to 148,301.77, 204,655.29 and 80,317.17 is: 110,837.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,301.77 : 204,655.29 = 80,317.17 : x
  2. Step 2: Convert to fraction form
    148,301.77/204,655.29 = 80,317.17/x
  3. Step 3: Cross multiply
    148,301.77x = 204,655.29 × 80,317.17
  4. Step 4: Simplify right side
    148,301.77x = 16,437,333,718.33
  5. Step 5: Solve for x
    x = 16,437,333,718.33/148,301.77
  6. Step 6: Final answer
    x = 110,837.07

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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.