Home / 209,770.12-289,483.14-114,276.52

Finding the Fourth Proportional to 209,770.12, 289,483.14 and 114,276.52

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Solution

The fourth proportional to 209,770.12, 289,483.14 and 114,276.52 is: 157,701.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,770.12 : 289,483.14 = 114,276.52 : x
  2. Step 2: Convert to fraction form
    209,770.12/289,483.14 = 114,276.52/x
  3. Step 3: Cross multiply
    209,770.12x = 289,483.14 × 114,276.52
  4. Step 4: Simplify right side
    209,770.12x = 33,081,125,837.87
  5. Step 5: Solve for x
    x = 33,081,125,837.87/209,770.12
  6. Step 6: Final answer
    x = 157,701.80

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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.