Home / 115,078.19-158,764.91-114,900.77

Finding the Fourth Proportional to 115,078.19, 158,764.91 and 114,900.77

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Solution

The fourth proportional to 115,078.19, 158,764.91 and 114,900.77 is: 158,520.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,078.19 : 158,764.91 = 114,900.77 : x
  2. Step 2: Convert to fraction form
    115,078.19/158,764.91 = 114,900.77/x
  3. Step 3: Cross multiply
    115,078.19x = 158,764.91 × 114,900.77
  4. Step 4: Simplify right side
    115,078.19x = 18,242,211,092.14
  5. Step 5: Solve for x
    x = 18,242,211,092.14/115,078.19
  6. Step 6: Final answer
    x = 158,520.15

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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.