Home / 130,237.28-179,731.36-73,647.52

Finding the Fourth Proportional to 130,237.28, 179,731.36 and 73,647.52

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Solution

The fourth proportional to 130,237.28, 179,731.36 and 73,647.52 is: 101,635.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,237.28 : 179,731.36 = 73,647.52 : x
  2. Step 2: Convert to fraction form
    130,237.28/179,731.36 = 73,647.52/x
  3. Step 3: Cross multiply
    130,237.28x = 179,731.36 × 73,647.52
  4. Step 4: Simplify right side
    130,237.28x = 13,236,768,930.23
  5. Step 5: Solve for x
    x = 13,236,768,930.23/130,237.28
  6. Step 6: Final answer
    x = 101,635.79

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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.