Home / 142,606.14-213,908.64-35,990.34

Finding the Fourth Proportional to 142,606.14, 213,908.64 and 35,990.34

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Solution

The fourth proportional to 142,606.14, 213,908.64 and 35,990.34 is: 53,985.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,606.14 : 213,908.64 = 35,990.34 : x
  2. Step 2: Convert to fraction form
    142,606.14/213,908.64 = 35,990.34/x
  3. Step 3: Cross multiply
    142,606.14x = 213,908.64 × 35,990.34
  4. Step 4: Simplify right side
    142,606.14x = 7,698,644,682.54
  5. Step 5: Solve for x
    x = 7,698,644,682.54/142,606.14
  6. Step 6: Final answer
    x = 53,985.37

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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.