Home / 117,996.15-162,833.88-64,281.21

Finding the Fourth Proportional to 117,996.15, 162,833.88 and 64,281.21

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Solution

The fourth proportional to 117,996.15, 162,833.88 and 64,281.21 is: 88,707.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,996.15 : 162,833.88 = 64,281.21 : x
  2. Step 2: Convert to fraction form
    117,996.15/162,833.88 = 64,281.21/x
  3. Step 3: Cross multiply
    117,996.15x = 162,833.88 × 64,281.21
  4. Step 4: Simplify right side
    117,996.15x = 10,467,158,835.39
  5. Step 5: Solve for x
    x = 10,467,158,835.39/117,996.15
  6. Step 6: Final answer
    x = 88,707.63

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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.