Home / 132,905.31-198,510.77-120,235.62

Finding the Fourth Proportional to 132,905.31, 198,510.77 and 120,235.62

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Solution

The fourth proportional to 132,905.31, 198,510.77 and 120,235.62 is: 179,587.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,905.31 : 198,510.77 = 120,235.62 : x
  2. Step 2: Convert to fraction form
    132,905.31/198,510.77 = 120,235.62/x
  3. Step 3: Cross multiply
    132,905.31x = 198,510.77 × 120,235.62
  4. Step 4: Simplify right side
    132,905.31x = 23,868,065,507.63
  5. Step 5: Solve for x
    x = 23,868,065,507.63/132,905.31
  6. Step 6: Final answer
    x = 179,587.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.