Home / 156,204.51-234,258.33-56,351.72

Finding the Fourth Proportional to 156,204.51, 234,258.33 and 56,351.72

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Solution

The fourth proportional to 156,204.51, 234,258.33 and 56,351.72 is: 84,510.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,204.51 : 234,258.33 = 56,351.72 : x
  2. Step 2: Convert to fraction form
    156,204.51/234,258.33 = 56,351.72/x
  3. Step 3: Cross multiply
    156,204.51x = 234,258.33 × 56,351.72
  4. Step 4: Simplify right side
    156,204.51x = 13,200,859,819.83
  5. Step 5: Solve for x
    x = 13,200,859,819.83/156,204.51
  6. Step 6: Final answer
    x = 84,510.11

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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.