Home / 257,419.29-355,027.98-181,190.73

Finding the Fourth Proportional to 257,419.29, 355,027.98 and 181,190.73

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Solution

The fourth proportional to 257,419.29, 355,027.98 and 181,190.73 is: 249,894.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,419.29 : 355,027.98 = 181,190.73 : x
  2. Step 2: Convert to fraction form
    257,419.29/355,027.98 = 181,190.73/x
  3. Step 3: Cross multiply
    257,419.29x = 355,027.98 × 181,190.73
  4. Step 4: Simplify right side
    257,419.29x = 64,327,778,866.63
  5. Step 5: Solve for x
    x = 64,327,778,866.63/257,419.29
  6. Step 6: Final answer
    x = 249,894.94

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1.5x scale

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.