Home / 147,363.16-203,346.30-83,688.52

Finding the Fourth Proportional to 147,363.16, 203,346.30 and 83,688.52

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Solution

The fourth proportional to 147,363.16, 203,346.30 and 83,688.52 is: 115,481.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,363.16 : 203,346.30 = 83,688.52 : x
  2. Step 2: Convert to fraction form
    147,363.16/203,346.30 = 83,688.52/x
  3. Step 3: Cross multiply
    147,363.16x = 203,346.30 × 83,688.52
  4. Step 4: Simplify right side
    147,363.16x = 17,017,750,894.48
  5. Step 5: Solve for x
    x = 17,017,750,894.48/147,363.16
  6. Step 6: Final answer
    x = 115,481.72

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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.