Home / 208,801.06-288,146.22-113,307.73

Finding the Fourth Proportional to 208,801.06, 288,146.22 and 113,307.73

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Solution

The fourth proportional to 208,801.06, 288,146.22 and 113,307.73 is: 156,365.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,801.06 : 288,146.22 = 113,307.73 : x
  2. Step 2: Convert to fraction form
    208,801.06/288,146.22 = 113,307.73/x
  3. Step 3: Cross multiply
    208,801.06x = 288,146.22 × 113,307.73
  4. Step 4: Simplify right side
    208,801.06x = 32,649,194,096.28
  5. Step 5: Solve for x
    x = 32,649,194,096.28/208,801.06
  6. Step 6: Final answer
    x = 156,365.08

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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.