Home / 171,556.18-257,246.52-71,689.12

Finding the Fourth Proportional to 171,556.18, 257,246.52 and 71,689.12

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Solution

The fourth proportional to 171,556.18, 257,246.52 and 71,689.12 is: 107,497.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,556.18 : 257,246.52 = 71,689.12 : x
  2. Step 2: Convert to fraction form
    171,556.18/257,246.52 = 71,689.12/x
  3. Step 3: Cross multiply
    171,556.18x = 257,246.52 × 71,689.12
  4. Step 4: Simplify right side
    171,556.18x = 18,441,776,641.86
  5. Step 5: Solve for x
    x = 18,441,776,641.86/171,556.18
  6. Step 6: Final answer
    x = 107,497.01

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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.