Home / 193,217.60-289,826.40-158,657.60

Finding the Fourth Proportional to 193,217.60, 289,826.40 and 158,657.60

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Solution

The fourth proportional to 193,217.60, 289,826.40 and 158,657.60 is: 237,986.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,217.60 : 289,826.40 = 158,657.60 : x
  2. Step 2: Convert to fraction form
    193,217.60/289,826.40 = 158,657.60/x
  3. Step 3: Cross multiply
    193,217.60x = 289,826.40 × 158,657.60
  4. Step 4: Simplify right side
    193,217.60x = 45,983,161,040.64
  5. Step 5: Solve for x
    x = 45,983,161,040.64/193,217.60
  6. Step 6: Final answer
    x = 237,986.40

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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.