Home / 158,857.34-238,318.79-46,541.21

Finding the Fourth Proportional to 158,857.34, 238,318.79 and 46,541.21

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Solution

The fourth proportional to 158,857.34, 238,318.79 and 46,541.21 is: 69,821.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,857.34 : 238,318.79 = 46,541.21 : x
  2. Step 2: Convert to fraction form
    158,857.34/238,318.79 = 46,541.21/x
  3. Step 3: Cross multiply
    158,857.34x = 238,318.79 × 46,541.21
  4. Step 4: Simplify right side
    158,857.34x = 11,091,643,428.04
  5. Step 5: Solve for x
    x = 11,091,643,428.04/158,857.34
  6. Step 6: Final answer
    x = 69,821.41

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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.