Home / 156,333.70-234,443.11-53,721.93

Finding the Fourth Proportional to 156,333.70, 234,443.11 and 53,721.93

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Solution

The fourth proportional to 156,333.70, 234,443.11 and 53,721.93 is: 80,563.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,333.70 : 234,443.11 = 53,721.93 : x
  2. Step 2: Convert to fraction form
    156,333.70/234,443.11 = 53,721.93/x
  3. Step 3: Cross multiply
    156,333.70x = 234,443.11 × 53,721.93
  4. Step 4: Simplify right side
    156,333.70x = 12,594,736,344.40
  5. Step 5: Solve for x
    x = 12,594,736,344.40/156,333.70
  6. Step 6: Final answer
    x = 80,563.16

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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.