Home / 121,008.33-166,995.57-66,562.86

Finding the Fourth Proportional to 121,008.33, 166,995.57 and 66,562.86

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Solution

The fourth proportional to 121,008.33, 166,995.57 and 66,562.86 is: 91,859.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,008.33 : 166,995.57 = 66,562.86 : x
  2. Step 2: Convert to fraction form
    121,008.33/166,995.57 = 66,562.86/x
  3. Step 3: Cross multiply
    121,008.33x = 166,995.57 × 66,562.86
  4. Step 4: Simplify right side
    121,008.33x = 11,115,703,622.37
  5. Step 5: Solve for x
    x = 11,115,703,622.37/121,008.33
  6. Step 6: Final answer
    x = 91,859.00

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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.