Home / 130,102.15-195,189.95-36,608.71

Finding the Fourth Proportional to 130,102.15, 195,189.95 and 36,608.71

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Solution

The fourth proportional to 130,102.15, 195,189.95 and 36,608.71 is: 54,923.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,102.15 : 195,189.95 = 36,608.71 : x
  2. Step 2: Convert to fraction form
    130,102.15/195,189.95 = 36,608.71/x
  3. Step 3: Cross multiply
    130,102.15x = 195,189.95 × 36,608.71
  4. Step 4: Simplify right side
    130,102.15x = 7,145,652,274.46
  5. Step 5: Solve for x
    x = 7,145,652,274.46/130,102.15
  6. Step 6: Final answer
    x = 54,923.40

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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.