Home / 156,394.50-216,002.64-106,006.02

Finding the Fourth Proportional to 156,394.50, 216,002.64 and 106,006.02

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Solution

The fourth proportional to 156,394.50, 216,002.64 and 106,006.02 is: 146,409.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,394.50 : 216,002.64 = 106,006.02 : x
  2. Step 2: Convert to fraction form
    156,394.50/216,002.64 = 106,006.02/x
  3. Step 3: Cross multiply
    156,394.50x = 216,002.64 × 106,006.02
  4. Step 4: Simplify right side
    156,394.50x = 22,897,580,175.89
  5. Step 5: Solve for x
    x = 22,897,580,175.89/156,394.50
  6. Step 6: Final answer
    x = 146,409.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.