Home / 158,953.46-219,376.78-102,528.86

Finding the Fourth Proportional to 158,953.46, 219,376.78 and 102,528.86

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Solution

The fourth proportional to 158,953.46, 219,376.78 and 102,528.86 is: 141,503.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,953.46 : 219,376.78 = 102,528.86 : x
  2. Step 2: Convert to fraction form
    158,953.46/219,376.78 = 102,528.86/x
  3. Step 3: Cross multiply
    158,953.46x = 219,376.78 × 102,528.86
  4. Step 4: Simplify right side
    158,953.46x = 22,492,451,163.87
  5. Step 5: Solve for x
    x = 22,492,451,163.87/158,953.46
  6. Step 6: Final answer
    x = 141,503.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.