Home / 115,069.14-158,844.51-77,365.26

Finding the Fourth Proportional to 115,069.14, 158,844.51 and 77,365.26

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Solution

The fourth proportional to 115,069.14, 158,844.51 and 77,365.26 is: 106,797.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,069.14 : 158,844.51 = 77,365.26 : x
  2. Step 2: Convert to fraction form
    115,069.14/158,844.51 = 77,365.26/x
  3. Step 3: Cross multiply
    115,069.14x = 158,844.51 × 77,365.26
  4. Step 4: Simplify right side
    115,069.14x = 12,289,046,815.72
  5. Step 5: Solve for x
    x = 12,289,046,815.72/115,069.14
  6. Step 6: Final answer
    x = 106,797.07

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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.