Home / 188,090.08-259,566.06-103,210.18

Finding the Fourth Proportional to 188,090.08, 259,566.06 and 103,210.18

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Solution

The fourth proportional to 188,090.08, 259,566.06 and 103,210.18 is: 142,431.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,090.08 : 259,566.06 = 103,210.18 : x
  2. Step 2: Convert to fraction form
    188,090.08/259,566.06 = 103,210.18/x
  3. Step 3: Cross multiply
    188,090.08x = 259,566.06 × 103,210.18
  4. Step 4: Simplify right side
    188,090.08x = 26,789,859,774.49
  5. Step 5: Solve for x
    x = 26,789,859,774.49/188,090.08
  6. Step 6: Final answer
    x = 142,431.01

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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.