Home / 172,265.48-258,398.18-53,946.08

Finding the Fourth Proportional to 172,265.48, 258,398.18 and 53,946.08

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Solution

The fourth proportional to 172,265.48, 258,398.18 and 53,946.08 is: 80,919.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,265.48 : 258,398.18 = 53,946.08 : x
  2. Step 2: Convert to fraction form
    172,265.48/258,398.18 = 53,946.08/x
  3. Step 3: Cross multiply
    172,265.48x = 258,398.18 × 53,946.08
  4. Step 4: Simplify right side
    172,265.48x = 13,939,568,890.13
  5. Step 5: Solve for x
    x = 13,939,568,890.13/172,265.48
  6. Step 6: Final answer
    x = 80,919.11

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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.