Home / 207,107.42-310,664.95-64,949.51

Finding the Fourth Proportional to 207,107.42, 310,664.95 and 64,949.51

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Solution

The fourth proportional to 207,107.42, 310,664.95 and 64,949.51 is: 97,425.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,107.42 : 310,664.95 = 64,949.51 : x
  2. Step 2: Convert to fraction form
    207,107.42/310,664.95 = 64,949.51/x
  3. Step 3: Cross multiply
    207,107.42x = 310,664.95 × 64,949.51
  4. Step 4: Simplify right side
    207,107.42x = 20,177,536,890.96
  5. Step 5: Solve for x
    x = 20,177,536,890.96/207,107.42
  6. Step 6: Final answer
    x = 97,425.47

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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.