Home / 208,800.49-288,144.68-113,307.19

Finding the Fourth Proportional to 208,800.49, 288,144.68 and 113,307.19

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Solution

The fourth proportional to 208,800.49, 288,144.68 and 113,307.19 is: 156,363.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,800.49 : 288,144.68 = 113,307.19 : x
  2. Step 2: Convert to fraction form
    208,800.49/288,144.68 = 113,307.19/x
  3. Step 3: Cross multiply
    208,800.49x = 288,144.68 × 113,307.19
  4. Step 4: Simplify right side
    208,800.49x = 32,648,863,283.89
  5. Step 5: Solve for x
    x = 32,648,863,283.89/208,800.49
  6. Step 6: Final answer
    x = 156,363.92

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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.