Home / 130,178.40-195,267.60-47,052.96

Finding the Fourth Proportional to 130,178.40, 195,267.60 and 47,052.96

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Solution

The fourth proportional to 130,178.40, 195,267.60 and 47,052.96 is: 70,579.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,178.40 : 195,267.60 = 47,052.96 : x
  2. Step 2: Convert to fraction form
    130,178.40/195,267.60 = 47,052.96/x
  3. Step 3: Cross multiply
    130,178.40x = 195,267.60 × 47,052.96
  4. Step 4: Simplify right side
    130,178.40x = 9,187,918,572.10
  5. Step 5: Solve for x
    x = 9,187,918,572.10/130,178.40
  6. Step 6: Final answer
    x = 70,579.44

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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.