Home / 156,013.84-233,808.64-65,981.68

Finding the Fourth Proportional to 156,013.84, 233,808.64 and 65,981.68

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Solution

The fourth proportional to 156,013.84, 233,808.64 and 65,981.68 is: 98,882.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,013.84 : 233,808.64 = 65,981.68 : x
  2. Step 2: Convert to fraction form
    156,013.84/233,808.64 = 65,981.68/x
  3. Step 3: Cross multiply
    156,013.84x = 233,808.64 × 65,981.68
  4. Step 4: Simplify right side
    156,013.84x = 15,427,086,865.72
  5. Step 5: Solve for x
    x = 15,427,086,865.72/156,013.84
  6. Step 6: Final answer
    x = 98,882.81

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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.