Home / 236,863.26-326,907.81-145,036.62

Finding the Fourth Proportional to 236,863.26, 326,907.81 and 145,036.62

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Solution

The fourth proportional to 236,863.26, 326,907.81 and 145,036.62 is: 200,172.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,863.26 : 326,907.81 = 145,036.62 : x
  2. Step 2: Convert to fraction form
    236,863.26/326,907.81 = 145,036.62/x
  3. Step 3: Cross multiply
    236,863.26x = 326,907.81 × 145,036.62
  4. Step 4: Simplify right side
    236,863.26x = 47,413,603,814.00
  5. Step 5: Solve for x
    x = 47,413,603,814.00/236,863.26
  6. Step 6: Final answer
    x = 200,172.89

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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.