Home / 156,518.10-234,721.40-56,652.39

Finding the Fourth Proportional to 156,518.10, 234,721.40 and 56,652.39

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Solution

The fourth proportional to 156,518.10, 234,721.40 and 56,652.39 is: 84,958.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,518.10 : 234,721.40 = 56,652.39 : x
  2. Step 2: Convert to fraction form
    156,518.10/234,721.40 = 56,652.39/x
  3. Step 3: Cross multiply
    156,518.10x = 234,721.40 × 56,652.39
  4. Step 4: Simplify right side
    156,518.10x = 13,297,528,010.88
  5. Step 5: Solve for x
    x = 13,297,528,010.88/156,518.10
  6. Step 6: Final answer
    x = 84,958.40

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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.