Home / 151,008.36-208,394.10-83,028.12

Finding the Fourth Proportional to 151,008.36, 208,394.10 and 83,028.12

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Solution

The fourth proportional to 151,008.36, 208,394.10 and 83,028.12 is: 114,580.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,008.36 : 208,394.10 = 83,028.12 : x
  2. Step 2: Convert to fraction form
    151,008.36/208,394.10 = 83,028.12/x
  3. Step 3: Cross multiply
    151,008.36x = 208,394.10 × 83,028.12
  4. Step 4: Simplify right side
    151,008.36x = 17,302,570,342.09
  5. Step 5: Solve for x
    x = 17,302,570,342.09/151,008.36
  6. Step 6: Final answer
    x = 114,580.21

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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.