Home / 132,908.13-183,417.62-72,483.75

Finding the Fourth Proportional to 132,908.13, 183,417.62 and 72,483.75

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Solution

The fourth proportional to 132,908.13, 183,417.62 and 72,483.75 is: 100,029.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,908.13 : 183,417.62 = 72,483.75 : x
  2. Step 2: Convert to fraction form
    132,908.13/183,417.62 = 72,483.75/x
  3. Step 3: Cross multiply
    132,908.13x = 183,417.62 × 72,483.75
  4. Step 4: Simplify right side
    132,908.13x = 13,294,796,551.26
  5. Step 5: Solve for x
    x = 13,294,796,551.26/132,908.13
  6. Step 6: Final answer
    x = 100,029.97

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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.