Home / 106,331.44-159,097.92-65,106.40

Finding the Fourth Proportional to 106,331.44, 159,097.92 and 65,106.40

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Solution

The fourth proportional to 106,331.44, 159,097.92 and 65,106.40 is: 97,415.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,331.44 : 159,097.92 = 65,106.40 : x
  2. Step 2: Convert to fraction form
    106,331.44/159,097.92 = 65,106.40/x
  3. Step 3: Cross multiply
    106,331.44x = 159,097.92 × 65,106.40
  4. Step 4: Simplify right side
    106,331.44x = 10,358,292,818.69
  5. Step 5: Solve for x
    x = 10,358,292,818.69/106,331.44
  6. Step 6: Final answer
    x = 97,415.15

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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.