Home / 151,238.02-208,706.04-83,255.21

Finding the Fourth Proportional to 151,238.02, 208,706.04 and 83,255.21

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Solution

The fourth proportional to 151,238.02, 208,706.04 and 83,255.21 is: 114,890.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,238.02 : 208,706.04 = 83,255.21 : x
  2. Step 2: Convert to fraction form
    151,238.02/208,706.04 = 83,255.21/x
  3. Step 3: Cross multiply
    151,238.02x = 208,706.04 × 83,255.21
  4. Step 4: Simplify right side
    151,238.02x = 17,375,865,161.74
  5. Step 5: Solve for x
    x = 17,375,865,161.74/151,238.02
  6. Step 6: Final answer
    x = 114,890.85

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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.