Home / 156,968.20-235,378.10-57,058.76

Finding the Fourth Proportional to 156,968.20, 235,378.10 and 57,058.76

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Solution

The fourth proportional to 156,968.20, 235,378.10 and 57,058.76 is: 85,561.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,968.20 : 235,378.10 = 57,058.76 : x
  2. Step 2: Convert to fraction form
    156,968.20/235,378.10 = 57,058.76/x
  3. Step 3: Cross multiply
    156,968.20x = 235,378.10 × 57,058.76
  4. Step 4: Simplify right side
    156,968.20x = 13,430,382,517.16
  5. Step 5: Solve for x
    x = 13,430,382,517.16/156,968.20
  6. Step 6: Final answer
    x = 85,561.17

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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.