Home / 301,985.88-453,022.56-112,430.76

Finding the Fourth Proportional to 301,985.88, 453,022.56 and 112,430.76

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Solution

The fourth proportional to 301,985.88, 453,022.56 and 112,430.76 is: 168,662.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,985.88 : 453,022.56 = 112,430.76 : x
  2. Step 2: Convert to fraction form
    301,985.88/453,022.56 = 112,430.76/x
  3. Step 3: Cross multiply
    301,985.88x = 453,022.56 × 112,430.76
  4. Step 4: Simplify right side
    301,985.88x = 50,933,670,717.95
  5. Step 5: Solve for x
    x = 50,933,670,717.95/301,985.88
  6. Step 6: Final answer
    x = 168,662.42

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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.