Home / 193,649.12-267,192.08-117,166.32

Finding the Fourth Proportional to 193,649.12, 267,192.08 and 117,166.32

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Solution

The fourth proportional to 193,649.12, 267,192.08 and 117,166.32 is: 161,663.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,649.12 : 267,192.08 = 117,166.32 : x
  2. Step 2: Convert to fraction form
    193,649.12/267,192.08 = 117,166.32/x
  3. Step 3: Cross multiply
    193,649.12x = 267,192.08 × 117,166.32
  4. Step 4: Simplify right side
    193,649.12x = 31,305,912,746.75
  5. Step 5: Solve for x
    x = 31,305,912,746.75/193,649.12
  6. Step 6: Final answer
    x = 161,663.08

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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.