Home / 110,428.65-165,593.70-40,258.76

Finding the Fourth Proportional to 110,428.65, 165,593.70 and 40,258.76

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Solution

The fourth proportional to 110,428.65, 165,593.70 and 40,258.76 is: 60,370.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,428.65 : 165,593.70 = 40,258.76 : x
  2. Step 2: Convert to fraction form
    110,428.65/165,593.70 = 40,258.76/x
  3. Step 3: Cross multiply
    110,428.65x = 165,593.70 × 40,258.76
  4. Step 4: Simplify right side
    110,428.65x = 6,666,596,197.84
  5. Step 5: Solve for x
    x = 6,666,596,197.84/110,428.65
  6. Step 6: Final answer
    x = 60,370.17

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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.