Home / 132,108.79-182,219.83-84,340.60

Finding the Fourth Proportional to 132,108.79, 182,219.83 and 84,340.60

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Solution

The fourth proportional to 132,108.79, 182,219.83 and 84,340.60 is: 116,332.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,108.79 : 182,219.83 = 84,340.60 : x
  2. Step 2: Convert to fraction form
    132,108.79/182,219.83 = 84,340.60/x
  3. Step 3: Cross multiply
    132,108.79x = 182,219.83 × 84,340.60
  4. Step 4: Simplify right side
    132,108.79x = 15,368,529,794.10
  5. Step 5: Solve for x
    x = 15,368,529,794.10/132,108.79
  6. Step 6: Final answer
    x = 116,332.38

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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.