Home / 120,848.80-166,798.02-67,152.28

Finding the Fourth Proportional to 120,848.80, 166,798.02 and 67,152.28

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Solution

The fourth proportional to 120,848.80, 166,798.02 and 67,152.28 is: 92,684.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,848.80 : 166,798.02 = 67,152.28 : x
  2. Step 2: Convert to fraction form
    120,848.80/166,798.02 = 67,152.28/x
  3. Step 3: Cross multiply
    120,848.80x = 166,798.02 × 67,152.28
  4. Step 4: Simplify right side
    120,848.80x = 11,200,867,342.49
  5. Step 5: Solve for x
    x = 11,200,867,342.49/120,848.80
  6. Step 6: Final answer
    x = 92,684.97

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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.