Home / 203,592.45-280,957.93-112,948.43

Finding the Fourth Proportional to 203,592.45, 280,957.93 and 112,948.43

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Solution

The fourth proportional to 203,592.45, 280,957.93 and 112,948.43 is: 155,869.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,592.45 : 280,957.93 = 112,948.43 : x
  2. Step 2: Convert to fraction form
    203,592.45/280,957.93 = 112,948.43/x
  3. Step 3: Cross multiply
    203,592.45x = 280,957.93 × 112,948.43
  4. Step 4: Simplify right side
    203,592.45x = 31,733,756,037.72
  5. Step 5: Solve for x
    x = 31,733,756,037.72/203,592.45
  6. Step 6: Final answer
    x = 155,869.02

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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.