Home / 112,477.17-155,199.33-67,173.33

Finding the Fourth Proportional to 112,477.17, 155,199.33 and 67,173.33

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Solution

The fourth proportional to 112,477.17, 155,199.33 and 67,173.33 is: 92,687.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,477.17 : 155,199.33 = 67,173.33 : x
  2. Step 2: Convert to fraction form
    112,477.17/155,199.33 = 67,173.33/x
  3. Step 3: Cross multiply
    112,477.17x = 155,199.33 × 67,173.33
  4. Step 4: Simplify right side
    112,477.17x = 10,425,255,809.87
  5. Step 5: Solve for x
    x = 10,425,255,809.87/112,477.17
  6. Step 6: Final answer
    x = 92,687.75

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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.