Home / 120,726.09-166,594.12-67,011.08

Finding the Fourth Proportional to 120,726.09, 166,594.12 and 67,011.08

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Solution

The fourth proportional to 120,726.09, 166,594.12 and 67,011.08 is: 92,470.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,726.09 : 166,594.12 = 67,011.08 : x
  2. Step 2: Convert to fraction form
    120,726.09/166,594.12 = 67,011.08/x
  3. Step 3: Cross multiply
    120,726.09x = 166,594.12 × 67,011.08
  4. Step 4: Simplify right side
    120,726.09x = 11,163,650,902.35
  5. Step 5: Solve for x
    x = 11,163,650,902.35/120,726.09
  6. Step 6: Final answer
    x = 92,470.91

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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.