Home / 156,968.15-235,309.82-57,057.78

Finding the Fourth Proportional to 156,968.15, 235,309.82 and 57,057.78

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Solution

The fourth proportional to 156,968.15, 235,309.82 and 57,057.78 is: 85,534.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,968.15 : 235,309.82 = 57,057.78 : x
  2. Step 2: Convert to fraction form
    156,968.15/235,309.82 = 57,057.78/x
  3. Step 3: Cross multiply
    156,968.15x = 235,309.82 × 57,057.78
  4. Step 4: Simplify right side
    156,968.15x = 13,426,255,495.77
  5. Step 5: Solve for x
    x = 13,426,255,495.77/156,968.15
  6. Step 6: Final answer
    x = 85,534.90

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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.