Home / 151,384.08-208,926.45-83,408.03

Finding the Fourth Proportional to 151,384.08, 208,926.45 and 83,408.03

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Solution

The fourth proportional to 151,384.08, 208,926.45 and 83,408.03 is: 115,112.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,384.08 : 208,926.45 = 83,408.03 : x
  2. Step 2: Convert to fraction form
    151,384.08/208,926.45 = 83,408.03/x
  3. Step 3: Cross multiply
    151,384.08x = 208,926.45 × 83,408.03
  4. Step 4: Simplify right side
    151,384.08x = 17,426,143,609.39
  5. Step 5: Solve for x
    x = 17,426,143,609.39/151,384.08
  6. Step 6: Final answer
    x = 115,112.13

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.