Home / 112,626.16-155,408.73-67,294.51

Finding the Fourth Proportional to 112,626.16, 155,408.73 and 67,294.51

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Solution

The fourth proportional to 112,626.16, 155,408.73 and 67,294.51 is: 92,857.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,626.16 : 155,408.73 = 67,294.51 : x
  2. Step 2: Convert to fraction form
    112,626.16/155,408.73 = 67,294.51/x
  3. Step 3: Cross multiply
    112,626.16x = 155,408.73 × 67,294.51
  4. Step 4: Simplify right side
    112,626.16x = 10,458,154,335.07
  5. Step 5: Solve for x
    x = 10,458,154,335.07/112,626.16
  6. Step 6: Final answer
    x = 92,857.24

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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.