Home / 112,280.87-154,943.73-66,935.45

Finding the Fourth Proportional to 112,280.87, 154,943.73 and 66,935.45

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Solution

The fourth proportional to 112,280.87, 154,943.73 and 66,935.45 is: 92,368.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,280.87 : 154,943.73 = 66,935.45 : x
  2. Step 2: Convert to fraction form
    112,280.87/154,943.73 = 66,935.45/x
  3. Step 3: Cross multiply
    112,280.87x = 154,943.73 × 66,935.45
  4. Step 4: Simplify right side
    112,280.87x = 10,371,228,292.23
  5. Step 5: Solve for x
    x = 10,371,228,292.23/112,280.87
  6. Step 6: Final answer
    x = 92,368.61

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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.