Home / 111,115.44-153,333.40-60,804.72

Finding the Fourth Proportional to 111,115.44, 153,333.40 and 60,804.72

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Solution

The fourth proportional to 111,115.44, 153,333.40 and 60,804.72 is: 83,907.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,115.44 : 153,333.40 = 60,804.72 : x
  2. Step 2: Convert to fraction form
    111,115.44/153,333.40 = 60,804.72/x
  3. Step 3: Cross multiply
    111,115.44x = 153,333.40 × 60,804.72
  4. Step 4: Simplify right side
    111,115.44x = 9,323,394,453.65
  5. Step 5: Solve for x
    x = 9,323,394,453.65/111,115.44
  6. Step 6: Final answer
    x = 83,907.28

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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.