Home / 147,851.54-204,035.18-79,868.51

Finding the Fourth Proportional to 147,851.54, 204,035.18 and 79,868.51

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Solution

The fourth proportional to 147,851.54, 204,035.18 and 79,868.51 is: 110,218.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,851.54 : 204,035.18 = 79,868.51 : x
  2. Step 2: Convert to fraction form
    147,851.54/204,035.18 = 79,868.51/x
  3. Step 3: Cross multiply
    147,851.54x = 204,035.18 × 79,868.51
  4. Step 4: Simplify right side
    147,851.54x = 16,295,984,394.66
  5. Step 5: Solve for x
    x = 16,295,984,394.66/147,851.54
  6. Step 6: Final answer
    x = 110,218.57

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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.