Home / 147,847.19-204,029.18-79,864.16

Finding the Fourth Proportional to 147,847.19, 204,029.18 and 79,864.16

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Solution

The fourth proportional to 147,847.19, 204,029.18 and 79,864.16 is: 110,212.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,847.19 : 204,029.18 = 79,864.16 : x
  2. Step 2: Convert to fraction form
    147,847.19/204,029.18 = 79,864.16/x
  3. Step 3: Cross multiply
    147,847.19x = 204,029.18 × 79,864.16
  4. Step 4: Simplify right side
    147,847.19x = 16,294,617,656.72
  5. Step 5: Solve for x
    x = 16,294,617,656.72/147,847.19
  6. Step 6: Final answer
    x = 110,212.57

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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.