Home / 130,432.92-195,649.38-36,938.67

Finding the Fourth Proportional to 130,432.92, 195,649.38 and 36,938.67

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Solution

The fourth proportional to 130,432.92, 195,649.38 and 36,938.67 is: 55,408.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,432.92 : 195,649.38 = 36,938.67 : x
  2. Step 2: Convert to fraction form
    130,432.92/195,649.38 = 36,938.67/x
  3. Step 3: Cross multiply
    130,432.92x = 195,649.38 × 36,938.67
  4. Step 4: Simplify right side
    130,432.92x = 7,227,027,883.52
  5. Step 5: Solve for x
    x = 7,227,027,883.52/130,432.92
  6. Step 6: Final answer
    x = 55,408.01

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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.