Home / 132,825.08-183,298.76-72,395.78

Finding the Fourth Proportional to 132,825.08, 183,298.76 and 72,395.78

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Solution

The fourth proportional to 132,825.08, 183,298.76 and 72,395.78 is: 99,906.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,825.08 : 183,298.76 = 72,395.78 : x
  2. Step 2: Convert to fraction form
    132,825.08/183,298.76 = 72,395.78/x
  3. Step 3: Cross multiply
    132,825.08x = 183,298.76 × 72,395.78
  4. Step 4: Simplify right side
    132,825.08x = 13,270,055,424.76
  5. Step 5: Solve for x
    x = 13,270,055,424.76/132,825.08
  6. Step 6: Final answer
    x = 99,906.25

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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.