Home / 132,785.04-183,232.08-76,195.20

Finding the Fourth Proportional to 132,785.04, 183,232.08 and 76,195.20

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Solution

The fourth proportional to 132,785.04, 183,232.08 and 76,195.20 is: 105,142.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,785.04 : 183,232.08 = 76,195.20 : x
  2. Step 2: Convert to fraction form
    132,785.04/183,232.08 = 76,195.20/x
  3. Step 3: Cross multiply
    132,785.04x = 183,232.08 × 76,195.20
  4. Step 4: Simplify right side
    132,785.04x = 13,961,404,982.02
  5. Step 5: Solve for x
    x = 13,961,404,982.02/132,785.04
  6. Step 6: Final answer
    x = 105,142.91

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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.