Home / 193,072.60-289,868.10-123,261.40

Finding the Fourth Proportional to 193,072.60, 289,868.10 and 123,261.40

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Solution

The fourth proportional to 193,072.60, 289,868.10 and 123,261.40 is: 185,057.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,072.60 : 289,868.10 = 123,261.40 : x
  2. Step 2: Convert to fraction form
    193,072.60/289,868.10 = 123,261.40/x
  3. Step 3: Cross multiply
    193,072.60x = 289,868.10 × 123,261.40
  4. Step 4: Simplify right side
    193,072.60x = 35,729,547,821.34
  5. Step 5: Solve for x
    x = 35,729,547,821.34/193,072.60
  6. Step 6: Final answer
    x = 185,057.58

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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.