Home / 212,925.14-293,843.25-122,299.28

Finding the Fourth Proportional to 212,925.14, 293,843.25 and 122,299.28

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Solution

The fourth proportional to 212,925.14, 293,843.25 and 122,299.28 is: 168,776.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,925.14 : 293,843.25 = 122,299.28 : x
  2. Step 2: Convert to fraction form
    212,925.14/293,843.25 = 122,299.28/x
  3. Step 3: Cross multiply
    212,925.14x = 293,843.25 × 122,299.28
  4. Step 4: Simplify right side
    212,925.14x = 35,936,817,907.86
  5. Step 5: Solve for x
    x = 35,936,817,907.86/212,925.14
  6. Step 6: Final answer
    x = 168,776.77

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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.