Home / 117,998.10-162,839.14-64,283.10

Finding the Fourth Proportional to 117,998.10, 162,839.14 and 64,283.10

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Solution

The fourth proportional to 117,998.10, 162,839.14 and 64,283.10 is: 88,711.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,998.10 : 162,839.14 = 64,283.10 : x
  2. Step 2: Convert to fraction form
    117,998.10/162,839.14 = 64,283.10/x
  3. Step 3: Cross multiply
    117,998.10x = 162,839.14 × 64,283.10
  4. Step 4: Simplify right side
    117,998.10x = 10,467,803,949.18
  5. Step 5: Solve for x
    x = 10,467,803,949.18/117,998.10
  6. Step 6: Final answer
    x = 88,711.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.