Home / 122,538.49-183,696.93-85,116.15

Finding the Fourth Proportional to 122,538.49, 183,696.93 and 85,116.15

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Solution

The fourth proportional to 122,538.49, 183,696.93 and 85,116.15 is: 127,597.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,538.49 : 183,696.93 = 85,116.15 : x
  2. Step 2: Convert to fraction form
    122,538.49/183,696.93 = 85,116.15/x
  3. Step 3: Cross multiply
    122,538.49x = 183,696.93 × 85,116.15
  4. Step 4: Simplify right side
    122,538.49x = 15,635,575,448.42
  5. Step 5: Solve for x
    x = 15,635,575,448.42/122,538.49
  6. Step 6: Final answer
    x = 127,597.26

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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.