Home / 140,914.14-194,464.20-77,248.14

Finding the Fourth Proportional to 140,914.14, 194,464.20 and 77,248.14

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Solution

The fourth proportional to 140,914.14, 194,464.20 and 77,248.14 is: 106,603.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,914.14 : 194,464.20 = 77,248.14 : x
  2. Step 2: Convert to fraction form
    140,914.14/194,464.20 = 77,248.14/x
  3. Step 3: Cross multiply
    140,914.14x = 194,464.20 × 77,248.14
  4. Step 4: Simplify right side
    140,914.14x = 15,021,997,746.59
  5. Step 5: Solve for x
    x = 15,021,997,746.59/140,914.14
  6. Step 6: Final answer
    x = 106,603.91

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1.5x scale

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.