Home / 191,979.24-288,066.04-129,518.52

Finding the Fourth Proportional to 191,979.24, 288,066.04 and 129,518.52

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Solution

The fourth proportional to 191,979.24, 288,066.04 and 129,518.52 is: 194,343.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,979.24 : 288,066.04 = 129,518.52 : x
  2. Step 2: Convert to fraction form
    191,979.24/288,066.04 = 129,518.52/x
  3. Step 3: Cross multiply
    191,979.24x = 288,066.04 × 129,518.52
  4. Step 4: Simplify right side
    191,979.24x = 37,309,887,163.06
  5. Step 5: Solve for x
    x = 37,309,887,163.06/191,979.24
  6. Step 6: Final answer
    x = 194,343.34

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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.