Home / 117,177.06-161,703.54-63,460.86

Finding the Fourth Proportional to 117,177.06, 161,703.54 and 63,460.86

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Solution

The fourth proportional to 117,177.06, 161,703.54 and 63,460.86 is: 87,575.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,177.06 : 161,703.54 = 63,460.86 : x
  2. Step 2: Convert to fraction form
    117,177.06/161,703.54 = 63,460.86/x
  3. Step 3: Cross multiply
    117,177.06x = 161,703.54 × 63,460.86
  4. Step 4: Simplify right side
    117,177.06x = 10,261,845,713.44
  5. Step 5: Solve for x
    x = 10,261,845,713.44/117,177.06
  6. Step 6: Final answer
    x = 87,575.55

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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.