Home / 132,740.10-183,167.73-79,027.38

Finding the Fourth Proportional to 132,740.10, 183,167.73 and 79,027.38

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Solution

The fourth proportional to 132,740.10, 183,167.73 and 79,027.38 is: 109,049.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,740.10 : 183,167.73 = 79,027.38 : x
  2. Step 2: Convert to fraction form
    132,740.10/183,167.73 = 79,027.38/x
  3. Step 3: Cross multiply
    132,740.10x = 183,167.73 × 79,027.38
  4. Step 4: Simplify right side
    132,740.10x = 14,475,265,802.45
  5. Step 5: Solve for x
    x = 14,475,265,802.45/132,740.10
  6. Step 6: Final answer
    x = 109,049.68

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1.5x scale

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.