Home / 115,933.77-172,862.21-113,834.25

Finding the Fourth Proportional to 115,933.77, 172,862.21 and 113,834.25

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Solution

The fourth proportional to 115,933.77, 172,862.21 and 113,834.25 is: 169,731.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,933.77 : 172,862.21 = 113,834.25 : x
  2. Step 2: Convert to fraction form
    115,933.77/172,862.21 = 113,834.25/x
  3. Step 3: Cross multiply
    115,933.77x = 172,862.21 × 113,834.25
  4. Step 4: Simplify right side
    115,933.77x = 19,677,640,313.28
  5. Step 5: Solve for x
    x = 19,677,640,313.28/115,933.77
  6. Step 6: Final answer
    x = 169,731.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.