Home / 158,389.83-218,577.96-94,727.63

Finding the Fourth Proportional to 158,389.83, 218,577.96 and 94,727.63

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Solution

The fourth proportional to 158,389.83, 218,577.96 and 94,727.63 is: 130,724.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,389.83 : 218,577.96 = 94,727.63 : x
  2. Step 2: Convert to fraction form
    158,389.83/218,577.96 = 94,727.63/x
  3. Step 3: Cross multiply
    158,389.83x = 218,577.96 × 94,727.63
  4. Step 4: Simplify right side
    158,389.83x = 20,705,371,028.15
  5. Step 5: Solve for x
    x = 20,705,371,028.15/158,389.83
  6. Step 6: Final answer
    x = 130,724.12

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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.