Home / 229,742.92-344,484.78-89,340.76

Finding the Fourth Proportional to 229,742.92, 344,484.78 and 89,340.76

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Solution

The fourth proportional to 229,742.92, 344,484.78 and 89,340.76 is: 133,960.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,742.92 : 344,484.78 = 89,340.76 : x
  2. Step 2: Convert to fraction form
    229,742.92/344,484.78 = 89,340.76/x
  3. Step 3: Cross multiply
    229,742.92x = 344,484.78 × 89,340.76
  4. Step 4: Simplify right side
    229,742.92x = 30,776,532,053.63
  5. Step 5: Solve for x
    x = 30,776,532,053.63/229,742.92
  6. Step 6: Final answer
    x = 133,960.74

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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.