Home / 208,830.52-288,186.30-113,337.20

Finding the Fourth Proportional to 208,830.52, 288,186.30 and 113,337.20

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Solution

The fourth proportional to 208,830.52, 288,186.30 and 113,337.20 is: 156,405.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,830.52 : 288,186.30 = 113,337.20 : x
  2. Step 2: Convert to fraction form
    208,830.52/288,186.30 = 113,337.20/x
  3. Step 3: Cross multiply
    208,830.52x = 288,186.30 × 113,337.20
  4. Step 4: Simplify right side
    208,830.52x = 32,662,228,320.36
  5. Step 5: Solve for x
    x = 32,662,228,320.36/208,830.52
  6. Step 6: Final answer
    x = 156,405.43

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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.