Home / 158,456.40-237,634.43-51,815.72

Finding the Fourth Proportional to 158,456.40, 237,634.43 and 51,815.72

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Solution

The fourth proportional to 158,456.40, 237,634.43 and 51,815.72 is: 77,707.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,456.40 : 237,634.43 = 51,815.72 : x
  2. Step 2: Convert to fraction form
    158,456.40/237,634.43 = 51,815.72/x
  3. Step 3: Cross multiply
    158,456.40x = 237,634.43 × 51,815.72
  4. Step 4: Simplify right side
    158,456.40x = 12,313,199,087.24
  5. Step 5: Solve for x
    x = 12,313,199,087.24/158,456.40
  6. Step 6: Final answer
    x = 77,707.17

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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.