Home / 161,930.06-242,895.10-56,749.02

Finding the Fourth Proportional to 161,930.06, 242,895.10 and 56,749.02

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Solution

The fourth proportional to 161,930.06, 242,895.10 and 56,749.02 is: 85,123.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,930.06 : 242,895.10 = 56,749.02 : x
  2. Step 2: Convert to fraction form
    161,930.06/242,895.10 = 56,749.02/x
  3. Step 3: Cross multiply
    161,930.06x = 242,895.10 × 56,749.02
  4. Step 4: Simplify right side
    161,930.06x = 13,784,058,887.80
  5. Step 5: Solve for x
    x = 13,784,058,887.80/161,930.06
  6. Step 6: Final answer
    x = 85,123.53

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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.