Home / 257,647.79-355,557.45-193,002.50

Finding the Fourth Proportional to 257,647.79, 355,557.45 and 193,002.50

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Solution

The fourth proportional to 257,647.79, 355,557.45 and 193,002.50 is: 266,346.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,647.79 : 355,557.45 = 193,002.50 : x
  2. Step 2: Convert to fraction form
    257,647.79/355,557.45 = 193,002.50/x
  3. Step 3: Cross multiply
    257,647.79x = 355,557.45 × 193,002.50
  4. Step 4: Simplify right side
    257,647.79x = 68,623,476,743.63
  5. Step 5: Solve for x
    x = 68,623,476,743.63/257,647.79
  6. Step 6: Final answer
    x = 266,346.07

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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.