Home / 142,888.25-214,430.79-49,394.00

Finding the Fourth Proportional to 142,888.25, 214,430.79 and 49,394.00

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Solution

The fourth proportional to 142,888.25, 214,430.79 and 49,394.00 is: 74,125.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,888.25 : 214,430.79 = 49,394.00 : x
  2. Step 2: Convert to fraction form
    142,888.25/214,430.79 = 49,394.00/x
  3. Step 3: Cross multiply
    142,888.25x = 214,430.79 × 49,394.00
  4. Step 4: Simplify right side
    142,888.25x = 10,591,595,162.56
  5. Step 5: Solve for x
    x = 10,591,595,162.56/142,888.25
  6. Step 6: Final answer
    x = 74,125.02

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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.