Home / 203,583.69-280,946.21-112,941.45

Finding the Fourth Proportional to 203,583.69, 280,946.21 and 112,941.45

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Solution

The fourth proportional to 203,583.69, 280,946.21 and 112,941.45 is: 155,859.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,583.69 : 280,946.21 = 112,941.45 : x
  2. Step 2: Convert to fraction form
    203,583.69/280,946.21 = 112,941.45/x
  3. Step 3: Cross multiply
    203,583.69x = 280,946.21 × 112,941.45
  4. Step 4: Simplify right side
    203,583.69x = 31,730,471,764.70
  5. Step 5: Solve for x
    x = 31,730,471,764.70/203,583.69
  6. Step 6: Final answer
    x = 155,859.60

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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.