Home / 191,925.20-288,137.28-147,583.12

Finding the Fourth Proportional to 191,925.20, 288,137.28 and 147,583.12

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Solution

The fourth proportional to 191,925.20, 288,137.28 and 147,583.12 is: 221,566.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,925.20 : 288,137.28 = 147,583.12 : x
  2. Step 2: Convert to fraction form
    191,925.20/288,137.28 = 147,583.12/x
  3. Step 3: Cross multiply
    191,925.20x = 288,137.28 × 147,583.12
  4. Step 4: Simplify right side
    191,925.20x = 42,524,198,770.71
  5. Step 5: Solve for x
    x = 42,524,198,770.71/191,925.20
  6. Step 6: Final answer
    x = 221,566.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.