Home / 147,307.26-221,057.76-80,794.08

Finding the Fourth Proportional to 147,307.26, 221,057.76 and 80,794.08

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Solution

The fourth proportional to 147,307.26, 221,057.76 and 80,794.08 is: 121,244.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,307.26 : 221,057.76 = 80,794.08 : x
  2. Step 2: Convert to fraction form
    147,307.26/221,057.76 = 80,794.08/x
  3. Step 3: Cross multiply
    147,307.26x = 221,057.76 × 80,794.08
  4. Step 4: Simplify right side
    147,307.26x = 17,860,158,346.06
  5. Step 5: Solve for x
    x = 17,860,158,346.06/147,307.26
  6. Step 6: Final answer
    x = 121,244.25

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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.