Home / 130,293.88-179,812.38-73,710.52

Finding the Fourth Proportional to 130,293.88, 179,812.38 and 73,710.52

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Solution

The fourth proportional to 130,293.88, 179,812.38 and 73,710.52 is: 101,724.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,293.88 : 179,812.38 = 73,710.52 : x
  2. Step 2: Convert to fraction form
    130,293.88/179,812.38 = 73,710.52/x
  3. Step 3: Cross multiply
    130,293.88x = 179,812.38 × 73,710.52
  4. Step 4: Simplify right side
    130,293.88x = 13,254,064,032.24
  5. Step 5: Solve for x
    x = 13,254,064,032.24/130,293.88
  6. Step 6: Final answer
    x = 101,724.38

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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.