Home / 132,699.42-183,130.38-75,344.08

Finding the Fourth Proportional to 132,699.42, 183,130.38 and 75,344.08

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Solution

The fourth proportional to 132,699.42, 183,130.38 and 75,344.08 is: 103,977.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,699.42 : 183,130.38 = 75,344.08 : x
  2. Step 2: Convert to fraction form
    132,699.42/183,130.38 = 75,344.08/x
  3. Step 3: Cross multiply
    132,699.42x = 183,130.38 × 75,344.08
  4. Step 4: Simplify right side
    132,699.42x = 13,797,789,543.32
  5. Step 5: Solve for x
    x = 13,797,789,543.32/132,699.42
  6. Step 6: Final answer
    x = 103,977.77

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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.