Home / 171,705.15-257,556.51-53,376.30

Finding the Fourth Proportional to 171,705.15, 257,556.51 and 53,376.30

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Solution

The fourth proportional to 171,705.15, 257,556.51 and 53,376.30 is: 80,064.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,705.15 : 257,556.51 = 53,376.30 : x
  2. Step 2: Convert to fraction form
    171,705.15/257,556.51 = 53,376.30/x
  3. Step 3: Cross multiply
    171,705.15x = 257,556.51 × 53,376.30
  4. Step 4: Simplify right side
    171,705.15x = 13,747,413,544.71
  5. Step 5: Solve for x
    x = 13,747,413,544.71/171,705.15
  6. Step 6: Final answer
    x = 80,064.07

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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.