Home / 112,792.10-155,858.38-107,326.22

Finding the Fourth Proportional to 112,792.10, 155,858.38 and 107,326.22

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Solution

The fourth proportional to 112,792.10, 155,858.38 and 107,326.22 is: 148,305.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,792.10 : 155,858.38 = 107,326.22 : x
  2. Step 2: Convert to fraction form
    112,792.10/155,858.38 = 107,326.22/x
  3. Step 3: Cross multiply
    112,792.10x = 155,858.38 × 107,326.22
  4. Step 4: Simplify right side
    112,792.10x = 16,727,689,733.12
  5. Step 5: Solve for x
    x = 16,727,689,733.12/112,792.10
  6. Step 6: Final answer
    x = 148,305.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.