Home / 193,015.12-266,354.40-106,970.44

Finding the Fourth Proportional to 193,015.12, 266,354.40 and 106,970.44

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Solution

The fourth proportional to 193,015.12, 266,354.40 and 106,970.44 is: 147,615.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,015.12 : 266,354.40 = 106,970.44 : x
  2. Step 2: Convert to fraction form
    193,015.12/266,354.40 = 106,970.44/x
  3. Step 3: Cross multiply
    193,015.12x = 266,354.40 × 106,970.44
  4. Step 4: Simplify right side
    193,015.12x = 28,492,047,363.94
  5. Step 5: Solve for x
    x = 28,492,047,363.94/193,015.12
  6. Step 6: Final answer
    x = 147,615.62

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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.