Home / 156,454.34-234,699.53-56,661.53

Finding the Fourth Proportional to 156,454.34, 234,699.53 and 56,661.53

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Solution

The fourth proportional to 156,454.34, 234,699.53 and 56,661.53 is: 84,998.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,454.34 : 234,699.53 = 56,661.53 : x
  2. Step 2: Convert to fraction form
    156,454.34/234,699.53 = 56,661.53/x
  3. Step 3: Cross multiply
    156,454.34x = 234,699.53 × 56,661.53
  4. Step 4: Simplify right side
    156,454.34x = 13,298,433,003.28
  5. Step 5: Solve for x
    x = 13,298,433,003.28/156,454.34
  6. Step 6: Final answer
    x = 84,998.81

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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.