Home / 117,995.96-162,833.79-64,280.85

Finding the Fourth Proportional to 117,995.96, 162,833.79 and 64,280.85

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Solution

The fourth proportional to 117,995.96, 162,833.79 and 64,280.85 is: 88,707.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,995.96 : 162,833.79 = 64,280.85 : x
  2. Step 2: Convert to fraction form
    117,995.96/162,833.79 = 64,280.85/x
  3. Step 3: Cross multiply
    117,995.96x = 162,833.79 × 64,280.85
  4. Step 4: Simplify right side
    117,995.96x = 10,467,094,429.92
  5. Step 5: Solve for x
    x = 10,467,094,429.92/117,995.96
  6. Step 6: Final answer
    x = 88,707.23

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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.