Home / 272,057.56-407,464.02-130,002.70

Finding the Fourth Proportional to 272,057.56, 407,464.02 and 130,002.70

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Solution

The fourth proportional to 272,057.56, 407,464.02 and 130,002.70 is: 194,706.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,057.56 : 407,464.02 = 130,002.70 : x
  2. Step 2: Convert to fraction form
    272,057.56/407,464.02 = 130,002.70/x
  3. Step 3: Cross multiply
    272,057.56x = 407,464.02 × 130,002.70
  4. Step 4: Simplify right side
    272,057.56x = 52,971,422,752.85
  5. Step 5: Solve for x
    x = 52,971,422,752.85/272,057.56
  6. Step 6: Final answer
    x = 194,706.67

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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.