Home / 172,766.17-259,159.50-52,820.15

Finding the Fourth Proportional to 172,766.17, 259,159.50 and 52,820.15

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Solution

The fourth proportional to 172,766.17, 259,159.50 and 52,820.15 is: 79,233.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,766.17 : 259,159.50 = 52,820.15 : x
  2. Step 2: Convert to fraction form
    172,766.17/259,159.50 = 52,820.15/x
  3. Step 3: Cross multiply
    172,766.17x = 259,159.50 × 52,820.15
  4. Step 4: Simplify right side
    172,766.17x = 13,688,843,825.90
  5. Step 5: Solve for x
    x = 13,688,843,825.90/172,766.17
  6. Step 6: Final answer
    x = 79,233.36

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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.