Home / 257,637.41-355,417.19-171,636.36

Finding the Fourth Proportional to 257,637.41, 355,417.19 and 171,636.36

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Solution

The fourth proportional to 257,637.41, 355,417.19 and 171,636.36 is: 236,776.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,637.41 : 355,417.19 = 171,636.36 : x
  2. Step 2: Convert to fraction form
    257,637.41/355,417.19 = 171,636.36/x
  3. Step 3: Cross multiply
    257,637.41x = 355,417.19 × 171,636.36
  4. Step 4: Simplify right side
    257,637.41x = 61,002,512,773.03
  5. Step 5: Solve for x
    x = 61,002,512,773.03/257,637.41
  6. Step 6: Final answer
    x = 236,776.62

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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.