Home / 120,986.46-166,936.86-70,675.74

Finding the Fourth Proportional to 120,986.46, 166,936.86 and 70,675.74

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Solution

The fourth proportional to 120,986.46, 166,936.86 and 70,675.74 is: 97,518.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,986.46 : 166,936.86 = 70,675.74 : x
  2. Step 2: Convert to fraction form
    120,986.46/166,936.86 = 70,675.74/x
  3. Step 3: Cross multiply
    120,986.46x = 166,936.86 × 70,675.74
  4. Step 4: Simplify right side
    120,986.46x = 11,798,386,113.78
  5. Step 5: Solve for x
    x = 11,798,386,113.78/120,986.46
  6. Step 6: Final answer
    x = 97,518.24

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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.