Home / 132,030.81-197,967.09-42,034.65

Finding the Fourth Proportional to 132,030.81, 197,967.09 and 42,034.65

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Solution

The fourth proportional to 132,030.81, 197,967.09 and 42,034.65 is: 63,026.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,030.81 : 197,967.09 = 42,034.65 : x
  2. Step 2: Convert to fraction form
    132,030.81/197,967.09 = 42,034.65/x
  3. Step 3: Cross multiply
    132,030.81x = 197,967.09 × 42,034.65
  4. Step 4: Simplify right side
    132,030.81x = 8,321,477,339.67
  5. Step 5: Solve for x
    x = 8,321,477,339.67/132,030.81
  6. Step 6: Final answer
    x = 63,026.78

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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.