Home / 203,526.58-280,880.94-112,891.18

Finding the Fourth Proportional to 203,526.58, 280,880.94 and 112,891.18

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Solution

The fourth proportional to 203,526.58, 280,880.94 and 112,891.18 is: 155,797.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,526.58 : 280,880.94 = 112,891.18 : x
  2. Step 2: Convert to fraction form
    203,526.58/280,880.94 = 112,891.18/x
  3. Step 3: Cross multiply
    203,526.58x = 280,880.94 × 112,891.18
  4. Step 4: Simplify right side
    203,526.58x = 31,708,980,756.11
  5. Step 5: Solve for x
    x = 31,708,980,756.11/203,526.58
  6. Step 6: Final answer
    x = 155,797.74

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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.