Home / 132,726.96-183,161.52-76,137.12

Finding the Fourth Proportional to 132,726.96, 183,161.52 and 76,137.12

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Solution

The fourth proportional to 132,726.96, 183,161.52 and 76,137.12 is: 105,068.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,726.96 : 183,161.52 = 76,137.12 : x
  2. Step 2: Convert to fraction form
    132,726.96/183,161.52 = 76,137.12/x
  3. Step 3: Cross multiply
    132,726.96x = 183,161.52 × 76,137.12
  4. Step 4: Simplify right side
    132,726.96x = 13,945,390,627.62
  5. Step 5: Solve for x
    x = 13,945,390,627.62/132,726.96
  6. Step 6: Final answer
    x = 105,068.26

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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.