Home / 151,275.18-208,759.77-83,292.42

Finding the Fourth Proportional to 151,275.18, 208,759.77 and 83,292.42

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Solution

The fourth proportional to 151,275.18, 208,759.77 and 83,292.42 is: 114,943.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,275.18 : 208,759.77 = 83,292.42 : x
  2. Step 2: Convert to fraction form
    151,275.18/208,759.77 = 83,292.42/x
  3. Step 3: Cross multiply
    151,275.18x = 208,759.77 × 83,292.42
  4. Step 4: Simplify right side
    151,275.18x = 17,388,106,441.94
  5. Step 5: Solve for x
    x = 17,388,106,441.94/151,275.18
  6. Step 6: Final answer
    x = 114,943.55

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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.