Home / 121,476.78-182,215.14-65,239.50

Finding the Fourth Proportional to 121,476.78, 182,215.14 and 65,239.50

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Solution

The fourth proportional to 121,476.78, 182,215.14 and 65,239.50 is: 97,859.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,476.78 : 182,215.14 = 65,239.50 : x
  2. Step 2: Convert to fraction form
    121,476.78/182,215.14 = 65,239.50/x
  3. Step 3: Cross multiply
    121,476.78x = 182,215.14 × 65,239.50
  4. Step 4: Simplify right side
    121,476.78x = 11,887,624,626.03
  5. Step 5: Solve for x
    x = 11,887,624,626.03/121,476.78
  6. Step 6: Final answer
    x = 97,859.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.