Home / 158,528.88-237,819.58-78,570.61

Finding the Fourth Proportional to 158,528.88, 237,819.58 and 78,570.61

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Solution

The fourth proportional to 158,528.88, 237,819.58 and 78,570.61 is: 117,868.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,528.88 : 237,819.58 = 78,570.61 : x
  2. Step 2: Convert to fraction form
    158,528.88/237,819.58 = 78,570.61/x
  3. Step 3: Cross multiply
    158,528.88x = 237,819.58 × 78,570.61
  4. Step 4: Simplify right side
    158,528.88x = 18,685,628,679.57
  5. Step 5: Solve for x
    x = 18,685,628,679.57/158,528.88
  6. Step 6: Final answer
    x = 117,868.93

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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.