Home / 132,707.42-183,138.54-75,345.25

Finding the Fourth Proportional to 132,707.42, 183,138.54 and 75,345.25

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Solution

The fourth proportional to 132,707.42, 183,138.54 and 75,345.25 is: 103,977.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,707.42 : 183,138.54 = 75,345.25 : x
  2. Step 2: Convert to fraction form
    132,707.42/183,138.54 = 75,345.25/x
  3. Step 3: Cross multiply
    132,707.42x = 183,138.54 × 75,345.25
  4. Step 4: Simplify right side
    132,707.42x = 13,798,619,080.94
  5. Step 5: Solve for x
    x = 13,798,619,080.94/132,707.42
  6. Step 6: Final answer
    x = 103,977.75

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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.