Home / 131,577.22-181,597.03-86,386.28

Finding the Fourth Proportional to 131,577.22, 181,597.03 and 86,386.28

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Solution

The fourth proportional to 131,577.22, 181,597.03 and 86,386.28 is: 119,226.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,577.22 : 181,597.03 = 86,386.28 : x
  2. Step 2: Convert to fraction form
    131,577.22/181,597.03 = 86,386.28/x
  3. Step 3: Cross multiply
    131,577.22x = 181,597.03 × 86,386.28
  4. Step 4: Simplify right side
    131,577.22x = 15,687,490,756.80
  5. Step 5: Solve for x
    x = 15,687,490,756.80/131,577.22
  6. Step 6: Final answer
    x = 119,226.49

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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.