Home / 115,017.19-158,720.01-64,028.26

Finding the Fourth Proportional to 115,017.19, 158,720.01 and 64,028.26

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Solution

The fourth proportional to 115,017.19, 158,720.01 and 64,028.26 is: 88,356.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,017.19 : 158,720.01 = 64,028.26 : x
  2. Step 2: Convert to fraction form
    115,017.19/158,720.01 = 64,028.26/x
  3. Step 3: Cross multiply
    115,017.19x = 158,720.01 × 64,028.26
  4. Step 4: Simplify right side
    115,017.19x = 10,162,566,067.48
  5. Step 5: Solve for x
    x = 10,162,566,067.48/115,017.19
  6. Step 6: Final answer
    x = 88,356.93

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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.