Home / 159,945.01-220,795.95-105,529.20

Finding the Fourth Proportional to 159,945.01, 220,795.95 and 105,529.20

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Solution

The fourth proportional to 159,945.01, 220,795.95 and 105,529.20 is: 145,677.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,945.01 : 220,795.95 = 105,529.20 : x
  2. Step 2: Convert to fraction form
    159,945.01/220,795.95 = 105,529.20/x
  3. Step 3: Cross multiply
    159,945.01x = 220,795.95 × 105,529.20
  4. Step 4: Simplify right side
    159,945.01x = 23,300,419,966.74
  5. Step 5: Solve for x
    x = 23,300,419,966.74/159,945.01
  6. Step 6: Final answer
    x = 145,677.69

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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.