Home / 209,444.31-289,034.40-113,951.69

Finding the Fourth Proportional to 209,444.31, 289,034.40 and 113,951.69

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Solution

The fourth proportional to 209,444.31, 289,034.40 and 113,951.69 is: 157,254.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,444.31 : 289,034.40 = 113,951.69 : x
  2. Step 2: Convert to fraction form
    209,444.31/289,034.40 = 113,951.69/x
  3. Step 3: Cross multiply
    209,444.31x = 289,034.40 × 113,951.69
  4. Step 4: Simplify right side
    209,444.31x = 32,935,958,348.14
  5. Step 5: Solve for x
    x = 32,935,958,348.14/209,444.31
  6. Step 6: Final answer
    x = 157,254.01

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1.5x scale

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.