Home / 156,837.57-236,438.04-146,689.89

Finding the Fourth Proportional to 156,837.57, 236,438.04 and 146,689.89

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Solution

The fourth proportional to 156,837.57, 236,438.04 and 146,689.89 is: 221,140.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,837.57 : 236,438.04 = 146,689.89 : x
  2. Step 2: Convert to fraction form
    156,837.57/236,438.04 = 146,689.89/x
  3. Step 3: Cross multiply
    156,837.57x = 236,438.04 × 146,689.89
  4. Step 4: Simplify right side
    156,837.57x = 34,683,068,917.73
  5. Step 5: Solve for x
    x = 34,683,068,917.73/156,837.57
  6. Step 6: Final answer
    x = 221,140.06

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.