Home / 253,037.93-348,966.18-209,949.20

Finding the Fourth Proportional to 253,037.93, 348,966.18 and 209,949.20

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Solution

The fourth proportional to 253,037.93, 348,966.18 and 209,949.20 is: 289,542.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,037.93 : 348,966.18 = 209,949.20 : x
  2. Step 2: Convert to fraction form
    253,037.93/348,966.18 = 209,949.20/x
  3. Step 3: Cross multiply
    253,037.93x = 348,966.18 × 209,949.20
  4. Step 4: Simplify right side
    253,037.93x = 73,265,170,318.06
  5. Step 5: Solve for x
    x = 73,265,170,318.06/253,037.93
  6. Step 6: Final answer
    x = 289,542.24

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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.