Home / 131,736.48-181,796.81-71,307.84

Finding the Fourth Proportional to 131,736.48, 181,796.81 and 71,307.84

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Solution

The fourth proportional to 131,736.48, 181,796.81 and 71,307.84 is: 98,405.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,736.48 : 181,796.81 = 71,307.84 : x
  2. Step 2: Convert to fraction form
    131,736.48/181,796.81 = 71,307.84/x
  3. Step 3: Cross multiply
    131,736.48x = 181,796.81 × 71,307.84
  4. Step 4: Simplify right side
    131,736.48x = 12,963,538,165.19
  5. Step 5: Solve for x
    x = 12,963,538,165.19/131,736.48
  6. Step 6: Final answer
    x = 98,405.08

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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.