Home / 151,136.74-208,568.67-83,152.22

Finding the Fourth Proportional to 151,136.74, 208,568.67 and 83,152.22

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Solution

The fourth proportional to 151,136.74, 208,568.67 and 83,152.22 is: 114,750.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,136.74 : 208,568.67 = 83,152.22 : x
  2. Step 2: Convert to fraction form
    151,136.74/208,568.67 = 83,152.22/x
  3. Step 3: Cross multiply
    151,136.74x = 208,568.67 × 83,152.22
  4. Step 4: Simplify right side
    151,136.74x = 17,342,947,932.95
  5. Step 5: Solve for x
    x = 17,342,947,932.95/151,136.74
  6. Step 6: Final answer
    x = 114,750.05

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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.