Home / 130,030.20-195,045.30-36,523.80

Finding the Fourth Proportional to 130,030.20, 195,045.30 and 36,523.80

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Solution

The fourth proportional to 130,030.20, 195,045.30 and 36,523.80 is: 54,785.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,030.20 : 195,045.30 = 36,523.80 : x
  2. Step 2: Convert to fraction form
    130,030.20/195,045.30 = 36,523.80/x
  3. Step 3: Cross multiply
    130,030.20x = 195,045.30 × 36,523.80
  4. Step 4: Simplify right side
    130,030.20x = 7,123,795,528.14
  5. Step 5: Solve for x
    x = 7,123,795,528.14/130,030.20
  6. Step 6: Final answer
    x = 54,785.70

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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.