Home / 147,845.42-204,026.75-79,862.39

Finding the Fourth Proportional to 147,845.42, 204,026.75 and 79,862.39

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Solution

The fourth proportional to 147,845.42, 204,026.75 and 79,862.39 is: 110,210.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,845.42 : 204,026.75 = 79,862.39 : x
  2. Step 2: Convert to fraction form
    147,845.42/204,026.75 = 79,862.39/x
  3. Step 3: Cross multiply
    147,845.42x = 204,026.75 × 79,862.39
  4. Step 4: Simplify right side
    147,845.42x = 16,294,063,878.93
  5. Step 5: Solve for x
    x = 16,294,063,878.93/147,845.42
  6. Step 6: Final answer
    x = 110,210.14

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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.