Home / 156,821.40-235,232.10-51,626.70

Finding the Fourth Proportional to 156,821.40, 235,232.10 and 51,626.70

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Solution

The fourth proportional to 156,821.40, 235,232.10 and 51,626.70 is: 77,440.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,821.40 : 235,232.10 = 51,626.70 : x
  2. Step 2: Convert to fraction form
    156,821.40/235,232.10 = 51,626.70/x
  3. Step 3: Cross multiply
    156,821.40x = 235,232.10 × 51,626.70
  4. Step 4: Simplify right side
    156,821.40x = 12,144,257,057.07
  5. Step 5: Solve for x
    x = 12,144,257,057.07/156,821.40
  6. Step 6: Final answer
    x = 77,440.05

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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.