Home / 194,907.16-268,972.14-105,483.16

Finding the Fourth Proportional to 194,907.16, 268,972.14 and 105,483.16

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Solution

The fourth proportional to 194,907.16, 268,972.14 and 105,483.16 is: 145,566.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,907.16 : 268,972.14 = 105,483.16 : x
  2. Step 2: Convert to fraction form
    194,907.16/268,972.14 = 105,483.16/x
  3. Step 3: Cross multiply
    194,907.16x = 268,972.14 × 105,483.16
  4. Step 4: Simplify right side
    194,907.16x = 28,372,031,279.16
  5. Step 5: Solve for x
    x = 28,372,031,279.16/194,907.16
  6. Step 6: Final answer
    x = 145,566.90

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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.