Home / 172,117.47-257,991.62-83,248.73

Finding the Fourth Proportional to 172,117.47, 257,991.62 and 83,248.73

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Solution

The fourth proportional to 172,117.47, 257,991.62 and 83,248.73 is: 124,783.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,117.47 : 257,991.62 = 83,248.73 : x
  2. Step 2: Convert to fraction form
    172,117.47/257,991.62 = 83,248.73/x
  3. Step 3: Cross multiply
    172,117.47x = 257,991.62 × 83,248.73
  4. Step 4: Simplify right side
    172,117.47x = 21,477,473,425.68
  5. Step 5: Solve for x
    x = 21,477,473,425.68/172,117.47
  6. Step 6: Final answer
    x = 124,783.81

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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.