Home / 127,307.06-174,325.62-122,287.89

Finding the Fourth Proportional to 127,307.06, 174,325.62 and 122,287.89

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Solution

The fourth proportional to 127,307.06, 174,325.62 and 122,287.89 is: 167,452.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,307.06 : 174,325.62 = 122,287.89 : x
  2. Step 2: Convert to fraction form
    127,307.06/174,325.62 = 122,287.89/x
  3. Step 3: Cross multiply
    127,307.06x = 174,325.62 × 122,287.89
  4. Step 4: Simplify right side
    127,307.06x = 21,317,912,242.74
  5. Step 5: Solve for x
    x = 21,317,912,242.74/127,307.06
  6. Step 6: Final answer
    x = 167,452.72

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.