Home / 193,165.40-289,748.10-185,292.20

Finding the Fourth Proportional to 193,165.40, 289,748.10 and 185,292.20

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Solution

The fourth proportional to 193,165.40, 289,748.10 and 185,292.20 is: 277,938.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,165.40 : 289,748.10 = 185,292.20 : x
  2. Step 2: Convert to fraction form
    193,165.40/289,748.10 = 185,292.20/x
  3. Step 3: Cross multiply
    193,165.40x = 289,748.10 × 185,292.20
  4. Step 4: Simplify right side
    193,165.40x = 53,688,062,894.82
  5. Step 5: Solve for x
    x = 53,688,062,894.82/193,165.40
  6. Step 6: Final answer
    x = 277,938.30

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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.