Home / 132,490.06-198,541.86-61,434.46

Finding the Fourth Proportional to 132,490.06, 198,541.86 and 61,434.46

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Solution

The fourth proportional to 132,490.06, 198,541.86 and 61,434.46 is: 92,062.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,490.06 : 198,541.86 = 61,434.46 : x
  2. Step 2: Convert to fraction form
    132,490.06/198,541.86 = 61,434.46/x
  3. Step 3: Cross multiply
    132,490.06x = 198,541.86 × 61,434.46
  4. Step 4: Simplify right side
    132,490.06x = 12,197,311,956.50
  5. Step 5: Solve for x
    x = 12,197,311,956.50/132,490.06
  6. Step 6: Final answer
    x = 92,062.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.