Home / 358,772.20-537,963.90-148,431.40

Finding the Fourth Proportional to 358,772.20, 537,963.90 and 148,431.40

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Solution

The fourth proportional to 358,772.20, 537,963.90 and 148,431.40 is: 222,566.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,772.20 : 537,963.90 = 148,431.40 : x
  2. Step 2: Convert to fraction form
    358,772.20/537,963.90 = 148,431.40/x
  3. Step 3: Cross multiply
    358,772.20x = 537,963.90 × 148,431.40
  4. Step 4: Simplify right side
    358,772.20x = 79,850,734,826.46
  5. Step 5: Solve for x
    x = 79,850,734,826.46/358,772.20
  6. Step 6: Final answer
    x = 222,566.67

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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.