Home / 115,078.69-158,765.60-114,901.28

Finding the Fourth Proportional to 115,078.69, 158,765.60 and 114,901.28

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Solution

The fourth proportional to 115,078.69, 158,765.60 and 114,901.28 is: 158,520.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,078.69 : 158,765.60 = 114,901.28 : x
  2. Step 2: Convert to fraction form
    115,078.69/158,765.60 = 114,901.28/x
  3. Step 3: Cross multiply
    115,078.69x = 158,765.60 × 114,901.28
  4. Step 4: Simplify right side
    115,078.69x = 18,242,369,866.14
  5. Step 5: Solve for x
    x = 18,242,369,866.14/115,078.69
  6. Step 6: Final answer
    x = 158,520.84

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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.