Home / 132,723.60-183,155.40-76,131.24

Finding the Fourth Proportional to 132,723.60, 183,155.40 and 76,131.24

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Solution

The fourth proportional to 132,723.60, 183,155.40 and 76,131.24 is: 105,059.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,723.60 : 183,155.40 = 76,131.24 : x
  2. Step 2: Convert to fraction form
    132,723.60/183,155.40 = 76,131.24/x
  3. Step 3: Cross multiply
    132,723.60x = 183,155.40 × 76,131.24
  4. Step 4: Simplify right side
    132,723.60x = 13,943,847,714.70
  5. Step 5: Solve for x
    x = 13,943,847,714.70/132,723.60
  6. Step 6: Final answer
    x = 105,059.29

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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.