Home / 262,108.60-392,822.70-121,568.20

Finding the Fourth Proportional to 262,108.60, 392,822.70 and 121,568.20

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Solution

The fourth proportional to 262,108.60, 392,822.70 and 121,568.20 is: 182,194.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,108.60 : 392,822.70 = 121,568.20 : x
  2. Step 2: Convert to fraction form
    262,108.60/392,822.70 = 121,568.20/x
  3. Step 3: Cross multiply
    262,108.60x = 392,822.70 × 121,568.20
  4. Step 4: Simplify right side
    262,108.60x = 47,754,748,558.14
  5. Step 5: Solve for x
    x = 47,754,748,558.14/262,108.60
  6. Step 6: Final answer
    x = 182,194.51

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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.