Home / 158,837.41-238,186.15-74,621.50

Finding the Fourth Proportional to 158,837.41, 238,186.15 and 74,621.50

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Solution

The fourth proportional to 158,837.41, 238,186.15 and 74,621.50 is: 111,899.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,837.41 : 238,186.15 = 74,621.50 : x
  2. Step 2: Convert to fraction form
    158,837.41/238,186.15 = 74,621.50/x
  3. Step 3: Cross multiply
    158,837.41x = 238,186.15 × 74,621.50
  4. Step 4: Simplify right side
    158,837.41x = 17,773,807,792.23
  5. Step 5: Solve for x
    x = 17,773,807,792.23/158,837.41
  6. Step 6: Final answer
    x = 111,899.38

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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.