Home / 170,289.10-235,053.48-109,861.48

Finding the Fourth Proportional to 170,289.10, 235,053.48 and 109,861.48

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Solution

The fourth proportional to 170,289.10, 235,053.48 and 109,861.48 is: 151,644.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,289.10 : 235,053.48 = 109,861.48 : x
  2. Step 2: Convert to fraction form
    170,289.10/235,053.48 = 109,861.48/x
  3. Step 3: Cross multiply
    170,289.10x = 235,053.48 × 109,861.48
  4. Step 4: Simplify right side
    170,289.10x = 25,823,323,191.95
  5. Step 5: Solve for x
    x = 25,823,323,191.95/170,289.10
  6. Step 6: Final answer
    x = 151,644.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.