Home / 128,856.17-193,237.93-44,593.46

Finding the Fourth Proportional to 128,856.17, 193,237.93 and 44,593.46

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Solution

The fourth proportional to 128,856.17, 193,237.93 and 44,593.46 is: 66,874.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,856.17 : 193,237.93 = 44,593.46 : x
  2. Step 2: Convert to fraction form
    128,856.17/193,237.93 = 44,593.46/x
  3. Step 3: Cross multiply
    128,856.17x = 193,237.93 × 44,593.46
  4. Step 4: Simplify right side
    128,856.17x = 8,617,148,134.19
  5. Step 5: Solve for x
    x = 8,617,148,134.19/128,856.17
  6. Step 6: Final answer
    x = 66,874.16

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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.