Home / 132,633.19-183,036.14-72,205.57

Finding the Fourth Proportional to 132,633.19, 183,036.14 and 72,205.57

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Solution

The fourth proportional to 132,633.19, 183,036.14 and 72,205.57 is: 99,644.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,633.19 : 183,036.14 = 72,205.57 : x
  2. Step 2: Convert to fraction form
    132,633.19/183,036.14 = 72,205.57/x
  3. Step 3: Cross multiply
    132,633.19x = 183,036.14 × 72,205.57
  4. Step 4: Simplify right side
    132,633.19x = 13,216,228,819.30
  5. Step 5: Solve for x
    x = 13,216,228,819.30/132,633.19
  6. Step 6: Final answer
    x = 99,644.96

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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.