Home / 117,533.22-162,155.79-75,116.22

Finding the Fourth Proportional to 117,533.22, 162,155.79 and 75,116.22

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Solution

The fourth proportional to 117,533.22, 162,155.79 and 75,116.22 is: 103,634.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,533.22 : 162,155.79 = 75,116.22 : x
  2. Step 2: Convert to fraction form
    117,533.22/162,155.79 = 75,116.22/x
  3. Step 3: Cross multiply
    117,533.22x = 162,155.79 × 75,116.22
  4. Step 4: Simplify right side
    117,533.22x = 12,180,529,995.91
  5. Step 5: Solve for x
    x = 12,180,529,995.91/117,533.22
  6. Step 6: Final answer
    x = 103,634.79

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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.