Home / 120,726.51-166,602.29-67,012.17

Finding the Fourth Proportional to 120,726.51, 166,602.29 and 67,012.17

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Solution

The fourth proportional to 120,726.51, 166,602.29 and 67,012.17 is: 92,476.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,726.51 : 166,602.29 = 67,012.17 : x
  2. Step 2: Convert to fraction form
    120,726.51/166,602.29 = 67,012.17/x
  3. Step 3: Cross multiply
    120,726.51x = 166,602.29 × 67,012.17
  4. Step 4: Simplify right side
    120,726.51x = 11,164,380,979.87
  5. Step 5: Solve for x
    x = 11,164,380,979.87/120,726.51
  6. Step 6: Final answer
    x = 92,476.63

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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.