Home / 117,688.96-162,373.44-73,002.88

Finding the Fourth Proportional to 117,688.96, 162,373.44 and 73,002.88

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Solution

The fourth proportional to 117,688.96, 162,373.44 and 73,002.88 is: 100,720.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,688.96 : 162,373.44 = 73,002.88 : x
  2. Step 2: Convert to fraction form
    117,688.96/162,373.44 = 73,002.88/x
  3. Step 3: Cross multiply
    117,688.96x = 162,373.44 × 73,002.88
  4. Step 4: Simplify right side
    117,688.96x = 11,853,728,755.51
  5. Step 5: Solve for x
    x = 11,853,728,755.51/117,688.96
  6. Step 6: Final answer
    x = 100,720.82

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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.