Home / 114,786.24-172,166.40-39,893.76

Finding the Fourth Proportional to 114,786.24, 172,166.40 and 39,893.76

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Solution

The fourth proportional to 114,786.24, 172,166.40 and 39,893.76 is: 59,836.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,786.24 : 172,166.40 = 39,893.76 : x
  2. Step 2: Convert to fraction form
    114,786.24/172,166.40 = 39,893.76/x
  3. Step 3: Cross multiply
    114,786.24x = 172,166.40 × 39,893.76
  4. Step 4: Simplify right side
    114,786.24x = 6,868,365,041.66
  5. Step 5: Solve for x
    x = 6,868,365,041.66/114,786.24
  6. Step 6: Final answer
    x = 59,836.14

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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.