Home / 167,491.56-251,240.58-78,696.12

Finding the Fourth Proportional to 167,491.56, 251,240.58 and 78,696.12

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Solution

The fourth proportional to 167,491.56, 251,240.58 and 78,696.12 is: 118,045.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,491.56 : 251,240.58 = 78,696.12 : x
  2. Step 2: Convert to fraction form
    167,491.56/251,240.58 = 78,696.12/x
  3. Step 3: Cross multiply
    167,491.56x = 251,240.58 × 78,696.12
  4. Step 4: Simplify right side
    167,491.56x = 19,771,658,832.55
  5. Step 5: Solve for x
    x = 19,771,658,832.55/167,491.56
  6. Step 6: Final answer
    x = 118,045.70

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1.5x scale

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.