Home / 132,069.51-197,929.08-71,943.76

Finding the Fourth Proportional to 132,069.51, 197,929.08 and 71,943.76

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Solution

The fourth proportional to 132,069.51, 197,929.08 and 71,943.76 is: 107,820.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,069.51 : 197,929.08 = 71,943.76 : x
  2. Step 2: Convert to fraction form
    132,069.51/197,929.08 = 71,943.76/x
  3. Step 3: Cross multiply
    132,069.51x = 197,929.08 × 71,943.76
  4. Step 4: Simplify right side
    132,069.51x = 14,239,761,742.11
  5. Step 5: Solve for x
    x = 14,239,761,742.11/132,069.51
  6. Step 6: Final answer
    x = 107,820.20

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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.