Home / 161,876.60-242,555.70-102,606.20

Finding the Fourth Proportional to 161,876.60, 242,555.70 and 102,606.20

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Solution

The fourth proportional to 161,876.60, 242,555.70 and 102,606.20 is: 153,745.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,876.60 : 242,555.70 = 102,606.20 : x
  2. Step 2: Convert to fraction form
    161,876.60/242,555.70 = 102,606.20/x
  3. Step 3: Cross multiply
    161,876.60x = 242,555.70 × 102,606.20
  4. Step 4: Simplify right side
    161,876.60x = 24,887,718,665.34
  5. Step 5: Solve for x
    x = 24,887,718,665.34/161,876.60
  6. Step 6: Final answer
    x = 153,745.00

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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.