Home / 117,936.31-162,756.12-64,222.24

Finding the Fourth Proportional to 117,936.31, 162,756.12 and 64,222.24

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Solution

The fourth proportional to 117,936.31, 162,756.12 and 64,222.24 is: 88,628.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,936.31 : 162,756.12 = 64,222.24 : x
  2. Step 2: Convert to fraction form
    117,936.31/162,756.12 = 64,222.24/x
  3. Step 3: Cross multiply
    117,936.31x = 162,756.12 × 64,222.24
  4. Step 4: Simplify right side
    117,936.31x = 10,452,562,600.11
  5. Step 5: Solve for x
    x = 10,452,562,600.11/117,936.31
  6. Step 6: Final answer
    x = 88,628.88

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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.