Home / 354,913.40-532,370.10-168,289.40

Finding the Fourth Proportional to 354,913.40, 532,370.10 and 168,289.40

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Solution

The fourth proportional to 354,913.40, 532,370.10 and 168,289.40 is: 252,434.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,913.40 : 532,370.10 = 168,289.40 : x
  2. Step 2: Convert to fraction form
    354,913.40/532,370.10 = 168,289.40/x
  3. Step 3: Cross multiply
    354,913.40x = 532,370.10 × 168,289.40
  4. Step 4: Simplify right side
    354,913.40x = 89,592,244,706.94
  5. Step 5: Solve for x
    x = 89,592,244,706.94/354,913.40
  6. Step 6: Final answer
    x = 252,434.10

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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.