Home / 164,708.02-247,121.25-64,812.88

Finding the Fourth Proportional to 164,708.02, 247,121.25 and 64,812.88

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Solution

The fourth proportional to 164,708.02, 247,121.25 and 64,812.88 is: 97,242.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,708.02 : 247,121.25 = 64,812.88 : x
  2. Step 2: Convert to fraction form
    164,708.02/247,121.25 = 64,812.88/x
  3. Step 3: Cross multiply
    164,708.02x = 247,121.25 × 64,812.88
  4. Step 4: Simplify right side
    164,708.02x = 16,016,639,921.70
  5. Step 5: Solve for x
    x = 16,016,639,921.70/164,708.02
  6. Step 6: Final answer
    x = 97,242.62

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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.