Home / 130,056.18-195,045.30-67,692.66

Finding the Fourth Proportional to 130,056.18, 195,045.30 and 67,692.66

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Solution

The fourth proportional to 130,056.18, 195,045.30 and 67,692.66 is: 101,518.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,056.18 : 195,045.30 = 67,692.66 : x
  2. Step 2: Convert to fraction form
    130,056.18/195,045.30 = 67,692.66/x
  3. Step 3: Cross multiply
    130,056.18x = 195,045.30 × 67,692.66
  4. Step 4: Simplify right side
    130,056.18x = 13,203,135,177.50
  5. Step 5: Solve for x
    x = 13,203,135,177.50/130,056.18
  6. Step 6: Final answer
    x = 101,518.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.