Home / 149,879.75-223,726.19-130,962.51

Finding the Fourth Proportional to 149,879.75, 223,726.19 and 130,962.51

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Solution

The fourth proportional to 149,879.75, 223,726.19 and 130,962.51 is: 195,488.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,879.75 : 223,726.19 = 130,962.51 : x
  2. Step 2: Convert to fraction form
    149,879.75/223,726.19 = 130,962.51/x
  3. Step 3: Cross multiply
    149,879.75x = 223,726.19 × 130,962.51
  4. Step 4: Simplify right side
    149,879.75x = 29,299,742,740.32
  5. Step 5: Solve for x
    x = 29,299,742,740.32/149,879.75
  6. Step 6: Final answer
    x = 195,488.34

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.