Home / 132,624.48-183,021.80-72,195.58

Finding the Fourth Proportional to 132,624.48, 183,021.80 and 72,195.58

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Solution

The fourth proportional to 132,624.48, 183,021.80 and 72,195.58 is: 99,629.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,624.48 : 183,021.80 = 72,195.58 : x
  2. Step 2: Convert to fraction form
    132,624.48/183,021.80 = 72,195.58/x
  3. Step 3: Cross multiply
    132,624.48x = 183,021.80 × 72,195.58
  4. Step 4: Simplify right side
    132,624.48x = 13,213,365,737.97
  5. Step 5: Solve for x
    x = 13,213,365,737.97/132,624.48
  6. Step 6: Final answer
    x = 99,629.91

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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.