Home / 156,476.57-234,758.60-51,369.35

Finding the Fourth Proportional to 156,476.57, 234,758.60 and 51,369.35

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Solution

The fourth proportional to 156,476.57, 234,758.60 and 51,369.35 is: 77,068.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,476.57 : 234,758.60 = 51,369.35 : x
  2. Step 2: Convert to fraction form
    156,476.57/234,758.60 = 51,369.35/x
  3. Step 3: Cross multiply
    156,476.57x = 234,758.60 × 51,369.35
  4. Step 4: Simplify right side
    156,476.57x = 12,059,396,688.91
  5. Step 5: Solve for x
    x = 12,059,396,688.91/156,476.57
  6. Step 6: Final answer
    x = 77,068.39

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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.