Home / 193,256.80-289,750.20-114,330.40

Finding the Fourth Proportional to 193,256.80, 289,750.20 and 114,330.40

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Solution

The fourth proportional to 193,256.80, 289,750.20 and 114,330.40 is: 171,415.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,256.80 : 289,750.20 = 114,330.40 : x
  2. Step 2: Convert to fraction form
    193,256.80/289,750.20 = 114,330.40/x
  3. Step 3: Cross multiply
    193,256.80x = 289,750.20 × 114,330.40
  4. Step 4: Simplify right side
    193,256.80x = 33,127,256,266.08
  5. Step 5: Solve for x
    x = 33,127,256,266.08/193,256.80
  6. Step 6: Final answer
    x = 171,415.73

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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.