Home / 132,030-197,913.78-61,783.56

Finding the Fourth Proportional to 132,030, 197,913.78 and 61,783.56

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Solution

The fourth proportional to 132,030, 197,913.78 and 61,783.56 is: 92,613.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,030 : 197,913.78 = 61,783.56 : x
  2. Step 2: Convert to fraction form
    132,030/197,913.78 = 61,783.56/x
  3. Step 3: Cross multiply
    132,030x = 197,913.78 × 61,783.56
  4. Step 4: Simplify right side
    132,030x = 12,227,817,901.46
  5. Step 5: Solve for x
    x = 12,227,817,901.46/132,030
  6. Step 6: Final answer
    x = 92,613.94

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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.