Home / 112,320.94-154,965.58-74,099.48

Finding the Fourth Proportional to 112,320.94, 154,965.58 and 74,099.48

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Solution

The fourth proportional to 112,320.94, 154,965.58 and 74,099.48 is: 102,232.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,320.94 : 154,965.58 = 74,099.48 : x
  2. Step 2: Convert to fraction form
    112,320.94/154,965.58 = 74,099.48/x
  3. Step 3: Cross multiply
    112,320.94x = 154,965.58 × 74,099.48
  4. Step 4: Simplify right side
    112,320.94x = 11,482,868,895.90
  5. Step 5: Solve for x
    x = 11,482,868,895.90/112,320.94
  6. Step 6: Final answer
    x = 102,232.66

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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.