Home / 147,572.78-203,680.69-93,847.41

Finding the Fourth Proportional to 147,572.78, 203,680.69 and 93,847.41

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Solution

The fourth proportional to 147,572.78, 203,680.69 and 93,847.41 is: 129,528.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,572.78 : 203,680.69 = 93,847.41 : x
  2. Step 2: Convert to fraction form
    147,572.78/203,680.69 = 93,847.41/x
  3. Step 3: Cross multiply
    147,572.78x = 203,680.69 × 93,847.41
  4. Step 4: Simplify right side
    147,572.78x = 19,114,904,988.89
  5. Step 5: Solve for x
    x = 19,114,904,988.89/147,572.78
  6. Step 6: Final answer
    x = 129,528.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.