Home / 222,158.74-306,260.16-158,385.82

Finding the Fourth Proportional to 222,158.74, 306,260.16 and 158,385.82

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Solution

The fourth proportional to 222,158.74, 306,260.16 and 158,385.82 is: 218,345.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,158.74 : 306,260.16 = 158,385.82 : x
  2. Step 2: Convert to fraction form
    222,158.74/306,260.16 = 158,385.82/x
  3. Step 3: Cross multiply
    222,158.74x = 306,260.16 × 158,385.82
  4. Step 4: Simplify right side
    222,158.74x = 48,507,266,574.93
  5. Step 5: Solve for x
    x = 48,507,266,574.93/222,158.74
  6. Step 6: Final answer
    x = 218,345.07

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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.