Home / 183,940.38-253,907.09-107,484.32

Finding the Fourth Proportional to 183,940.38, 253,907.09 and 107,484.32

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Solution

The fourth proportional to 183,940.38, 253,907.09 and 107,484.32 is: 148,368.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,940.38 : 253,907.09 = 107,484.32 : x
  2. Step 2: Convert to fraction form
    183,940.38/253,907.09 = 107,484.32/x
  3. Step 3: Cross multiply
    183,940.38x = 253,907.09 × 107,484.32
  4. Step 4: Simplify right side
    183,940.38x = 27,291,029,104.87
  5. Step 5: Solve for x
    x = 27,291,029,104.87/183,940.38
  6. Step 6: Final answer
    x = 148,368.89

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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.