Home / 358,440.20-537,854.70-148,099.40

Finding the Fourth Proportional to 358,440.20, 537,854.70 and 148,099.40

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Solution

The fourth proportional to 358,440.20, 537,854.70 and 148,099.40 is: 222,229.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,440.20 : 537,854.70 = 148,099.40 : x
  2. Step 2: Convert to fraction form
    358,440.20/537,854.70 = 148,099.40/x
  3. Step 3: Cross multiply
    358,440.20x = 537,854.70 × 148,099.40
  4. Step 4: Simplify right side
    358,440.20x = 79,655,958,357.18
  5. Step 5: Solve for x
    x = 79,655,958,357.18/358,440.20
  6. Step 6: Final answer
    x = 222,229.42

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1.5x scale

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.