Home / 158,807.16-238,183.20-52,191.81

Finding the Fourth Proportional to 158,807.16, 238,183.20 and 52,191.81

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Solution

The fourth proportional to 158,807.16, 238,183.20 and 52,191.81 is: 78,278.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,807.16 : 238,183.20 = 52,191.81 : x
  2. Step 2: Convert to fraction form
    158,807.16/238,183.20 = 52,191.81/x
  3. Step 3: Cross multiply
    158,807.16x = 238,183.20 × 52,191.81
  4. Step 4: Simplify right side
    158,807.16x = 12,431,212,319.59
  5. Step 5: Solve for x
    x = 12,431,212,319.59/158,807.16
  6. Step 6: Final answer
    x = 78,278.66

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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.