Home / 129,432.33-193,899.69-93,330.63

Finding the Fourth Proportional to 129,432.33, 193,899.69 and 93,330.63

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Solution

The fourth proportional to 129,432.33, 193,899.69 and 93,330.63 is: 139,816.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,432.33 : 193,899.69 = 93,330.63 : x
  2. Step 2: Convert to fraction form
    129,432.33/193,899.69 = 93,330.63/x
  3. Step 3: Cross multiply
    129,432.33x = 193,899.69 × 93,330.63
  4. Step 4: Simplify right side
    129,432.33x = 18,096,780,224.50
  5. Step 5: Solve for x
    x = 18,096,780,224.50/129,432.33
  6. Step 6: Final answer
    x = 139,816.54

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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.