Home / 130,298.88-179,566.70-104,428.02

Finding the Fourth Proportional to 130,298.88, 179,566.70 and 104,428.02

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Solution

The fourth proportional to 130,298.88, 179,566.70 and 104,428.02 is: 143,913.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,298.88 : 179,566.70 = 104,428.02 : x
  2. Step 2: Convert to fraction form
    130,298.88/179,566.70 = 104,428.02/x
  3. Step 3: Cross multiply
    130,298.88x = 179,566.70 × 104,428.02
  4. Step 4: Simplify right side
    130,298.88x = 18,751,794,938.93
  5. Step 5: Solve for x
    x = 18,751,794,938.93/130,298.88
  6. Step 6: Final answer
    x = 143,913.71

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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.