Home / 132,863.40-183,368.16-76,273.56

Finding the Fourth Proportional to 132,863.40, 183,368.16 and 76,273.56

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Solution

The fourth proportional to 132,863.40, 183,368.16 and 76,273.56 is: 105,267.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,863.40 : 183,368.16 = 76,273.56 : x
  2. Step 2: Convert to fraction form
    132,863.40/183,368.16 = 76,273.56/x
  3. Step 3: Cross multiply
    132,863.40x = 183,368.16 × 76,273.56
  4. Step 4: Simplify right side
    132,863.40x = 13,986,142,353.85
  5. Step 5: Solve for x
    x = 13,986,142,353.85/132,863.40
  6. Step 6: Final answer
    x = 105,267.08

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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.