Home / 115,223.40-158,995.41-64,232.28

Finding the Fourth Proportional to 115,223.40, 158,995.41 and 64,232.28

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Solution

The fourth proportional to 115,223.40, 158,995.41 and 64,232.28 is: 88,633.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,223.40 : 158,995.41 = 64,232.28 : x
  2. Step 2: Convert to fraction form
    115,223.40/158,995.41 = 64,232.28/x
  3. Step 3: Cross multiply
    115,223.40x = 158,995.41 × 64,232.28
  4. Step 4: Simplify right side
    115,223.40x = 10,212,637,693.83
  5. Step 5: Solve for x
    x = 10,212,637,693.83/115,223.40
  6. Step 6: Final answer
    x = 88,633.37

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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.