Home / 147,214.72-203,128.32-93,508.48

Finding the Fourth Proportional to 147,214.72, 203,128.32 and 93,508.48

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Solution

The fourth proportional to 147,214.72, 203,128.32 and 93,508.48 is: 129,023.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,214.72 : 203,128.32 = 93,508.48 : x
  2. Step 2: Convert to fraction form
    147,214.72/203,128.32 = 93,508.48/x
  3. Step 3: Cross multiply
    147,214.72x = 203,128.32 × 93,508.48
  4. Step 4: Simplify right side
    147,214.72x = 18,994,220,448.15
  5. Step 5: Solve for x
    x = 18,994,220,448.15/147,214.72
  6. Step 6: Final answer
    x = 129,023.92

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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.