Home / 142,370.19-213,493.32-75,795.48

Finding the Fourth Proportional to 142,370.19, 213,493.32 and 75,795.48

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Solution

The fourth proportional to 142,370.19, 213,493.32 and 75,795.48 is: 113,660.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,370.19 : 213,493.32 = 75,795.48 : x
  2. Step 2: Convert to fraction form
    142,370.19/213,493.32 = 75,795.48/x
  3. Step 3: Cross multiply
    142,370.19x = 213,493.32 × 75,795.48
  4. Step 4: Simplify right side
    142,370.19x = 16,181,828,666.19
  5. Step 5: Solve for x
    x = 16,181,828,666.19/142,370.19
  6. Step 6: Final answer
    x = 113,660.23

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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.