Home / 216,664.27-325,037.10-98,343.92

Finding the Fourth Proportional to 216,664.27, 325,037.10 and 98,343.92

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Solution

The fourth proportional to 216,664.27, 325,037.10 and 98,343.92 is: 147,534.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,664.27 : 325,037.10 = 98,343.92 : x
  2. Step 2: Convert to fraction form
    216,664.27/325,037.10 = 98,343.92/x
  3. Step 3: Cross multiply
    216,664.27x = 325,037.10 × 98,343.92
  4. Step 4: Simplify right side
    216,664.27x = 31,965,423,740.81
  5. Step 5: Solve for x
    x = 31,965,423,740.81/216,664.27
  6. Step 6: Final answer
    x = 147,534.36

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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.