Home / 110,940.09-153,097.32-63,221.13

Finding the Fourth Proportional to 110,940.09, 153,097.32 and 63,221.13

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Solution

The fourth proportional to 110,940.09, 153,097.32 and 63,221.13 is: 87,245.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,940.09 : 153,097.32 = 63,221.13 : x
  2. Step 2: Convert to fraction form
    110,940.09/153,097.32 = 63,221.13/x
  3. Step 3: Cross multiply
    110,940.09x = 153,097.32 × 63,221.13
  4. Step 4: Simplify right side
    110,940.09x = 9,678,985,570.37
  5. Step 5: Solve for x
    x = 9,678,985,570.37/110,940.09
  6. Step 6: Final answer
    x = 87,245.16

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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.