Home / 112,280.37-154,943.04-66,934.95

Finding the Fourth Proportional to 112,280.37, 154,943.04 and 66,934.95

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Solution

The fourth proportional to 112,280.37, 154,943.04 and 66,934.95 is: 92,367.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,280.37 : 154,943.04 = 66,934.95 : x
  2. Step 2: Convert to fraction form
    112,280.37/154,943.04 = 66,934.95/x
  3. Step 3: Cross multiply
    112,280.37x = 154,943.04 × 66,934.95
  4. Step 4: Simplify right side
    112,280.37x = 10,371,104,635.25
  5. Step 5: Solve for x
    x = 10,371,104,635.25/112,280.37
  6. Step 6: Final answer
    x = 92,367.92

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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.