Home / 130,023.40-195,020.70-36,538.60

Finding the Fourth Proportional to 130,023.40, 195,020.70 and 36,538.60

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Solution

The fourth proportional to 130,023.40, 195,020.70 and 36,538.60 is: 54,803.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,023.40 : 195,020.70 = 36,538.60 : x
  2. Step 2: Convert to fraction form
    130,023.40/195,020.70 = 36,538.60/x
  3. Step 3: Cross multiply
    130,023.40x = 195,020.70 × 36,538.60
  4. Step 4: Simplify right side
    130,023.40x = 7,125,783,349.02
  5. Step 5: Solve for x
    x = 7,125,783,349.02/130,023.40
  6. Step 6: Final answer
    x = 54,803.85

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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.