Home / 110,155.77-152,015.47-62,418.42

Finding the Fourth Proportional to 110,155.77, 152,015.47 and 62,418.42

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Solution

The fourth proportional to 110,155.77, 152,015.47 and 62,418.42 is: 86,137.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,155.77 : 152,015.47 = 62,418.42 : x
  2. Step 2: Convert to fraction form
    110,155.77/152,015.47 = 62,418.42/x
  3. Step 3: Cross multiply
    110,155.77x = 152,015.47 × 62,418.42
  4. Step 4: Simplify right side
    110,155.77x = 9,488,565,452.96
  5. Step 5: Solve for x
    x = 9,488,565,452.96/110,155.77
  6. Step 6: Final answer
    x = 86,137.71

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1.5x scale

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.