Home / 171,637.47-257,456.25-53,308.82

Finding the Fourth Proportional to 171,637.47, 257,456.25 and 53,308.82

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Solution

The fourth proportional to 171,637.47, 257,456.25 and 53,308.82 is: 79,963.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,637.47 : 257,456.25 = 53,308.82 : x
  2. Step 2: Convert to fraction form
    171,637.47/257,456.25 = 53,308.82/x
  3. Step 3: Cross multiply
    171,637.47x = 257,456.25 × 53,308.82
  4. Step 4: Simplify right side
    171,637.47x = 13,724,688,889.13
  5. Step 5: Solve for x
    x = 13,724,688,889.13/171,637.47
  6. Step 6: Final answer
    x = 79,963.24

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1.5x scale

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.