Home / 114,878.19-172,318.14-39,998.22

Finding the Fourth Proportional to 114,878.19, 172,318.14 and 39,998.22

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Solution

The fourth proportional to 114,878.19, 172,318.14 and 39,998.22 is: 59,997.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,878.19 : 172,318.14 = 39,998.22 : x
  2. Step 2: Convert to fraction form
    114,878.19/172,318.14 = 39,998.22/x
  3. Step 3: Cross multiply
    114,878.19x = 172,318.14 × 39,998.22
  4. Step 4: Simplify right side
    114,878.19x = 6,892,418,434.69
  5. Step 5: Solve for x
    x = 6,892,418,434.69/114,878.19
  6. Step 6: Final answer
    x = 59,997.62

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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.