Home / 147,414.67-203,432.43-80,346.67

Finding the Fourth Proportional to 147,414.67, 203,432.43 and 80,346.67

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Solution

The fourth proportional to 147,414.67, 203,432.43 and 80,346.67 is: 110,878.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,414.67 : 203,432.43 = 80,346.67 : x
  2. Step 2: Convert to fraction form
    147,414.67/203,432.43 = 80,346.67/x
  3. Step 3: Cross multiply
    147,414.67x = 203,432.43 × 80,346.67
  4. Step 4: Simplify right side
    147,414.67x = 16,345,118,320.51
  5. Step 5: Solve for x
    x = 16,345,118,320.51/147,414.67
  6. Step 6: Final answer
    x = 110,878.51

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1.5x scale

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.