Home / 248,213.21-342,535.71-135,036.77

Finding the Fourth Proportional to 248,213.21, 342,535.71 and 135,036.77

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Solution

The fourth proportional to 248,213.21, 342,535.71 and 135,036.77 is: 186,351.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,213.21 : 342,535.71 = 135,036.77 : x
  2. Step 2: Convert to fraction form
    248,213.21/342,535.71 = 135,036.77/x
  3. Step 3: Cross multiply
    248,213.21x = 342,535.71 × 135,036.77
  4. Step 4: Simplify right side
    248,213.21x = 46,254,914,175.38
  5. Step 5: Solve for x
    x = 46,254,914,175.38/248,213.21
  6. Step 6: Final answer
    x = 186,351.54

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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.