Home / 132,628.86-183,037.32-74,490.30

Finding the Fourth Proportional to 132,628.86, 183,037.32 and 74,490.30

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Solution

The fourth proportional to 132,628.86, 183,037.32 and 74,490.30 is: 102,801.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,628.86 : 183,037.32 = 74,490.30 : x
  2. Step 2: Convert to fraction form
    132,628.86/183,037.32 = 74,490.30/x
  3. Step 3: Cross multiply
    132,628.86x = 183,037.32 × 74,490.30
  4. Step 4: Simplify right side
    132,628.86x = 13,634,504,878.00
  5. Step 5: Solve for x
    x = 13,634,504,878.00/132,628.86
  6. Step 6: Final answer
    x = 102,801.95

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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.