Home / 117,493.08-162,174.66-71,569.32

Finding the Fourth Proportional to 117,493.08, 162,174.66 and 71,569.32

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Solution

The fourth proportional to 117,493.08, 162,174.66 and 71,569.32 is: 98,786.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,493.08 : 162,174.66 = 71,569.32 : x
  2. Step 2: Convert to fraction form
    117,493.08/162,174.66 = 71,569.32/x
  3. Step 3: Cross multiply
    117,493.08x = 162,174.66 × 71,569.32
  4. Step 4: Simplify right side
    117,493.08x = 11,606,730,137.43
  5. Step 5: Solve for x
    x = 11,606,730,137.43/117,493.08
  6. Step 6: Final answer
    x = 98,786.50

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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.