Home / 136,666.08-205,058.31-73,412.37

Finding the Fourth Proportional to 136,666.08, 205,058.31 and 73,412.37

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Solution

The fourth proportional to 136,666.08, 205,058.31 and 73,412.37 is: 110,150.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,666.08 : 205,058.31 = 73,412.37 : x
  2. Step 2: Convert to fraction form
    136,666.08/205,058.31 = 73,412.37/x
  3. Step 3: Cross multiply
    136,666.08x = 205,058.31 × 73,412.37
  4. Step 4: Simplify right side
    136,666.08x = 15,053,816,525.29
  5. Step 5: Solve for x
    x = 15,053,816,525.29/136,666.08
  6. Step 6: Final answer
    x = 110,150.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.