Home / 157,895.39-217,819.53-114,808.05

Finding the Fourth Proportional to 157,895.39, 217,819.53 and 114,808.05

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Solution

The fourth proportional to 157,895.39, 217,819.53 and 114,808.05 is: 158,379.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,895.39 : 217,819.53 = 114,808.05 : x
  2. Step 2: Convert to fraction form
    157,895.39/217,819.53 = 114,808.05/x
  3. Step 3: Cross multiply
    157,895.39x = 217,819.53 × 114,808.05
  4. Step 4: Simplify right side
    157,895.39x = 25,007,435,491.22
  5. Step 5: Solve for x
    x = 25,007,435,491.22/157,895.39
  6. Step 6: Final answer
    x = 158,379.77

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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.