Home / 353,053.47-529,583.91-139,873.26

Finding the Fourth Proportional to 353,053.47, 529,583.91 and 139,873.26

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Solution

The fourth proportional to 353,053.47, 529,583.91 and 139,873.26 is: 209,811.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,053.47 : 529,583.91 = 139,873.26 : x
  2. Step 2: Convert to fraction form
    353,053.47/529,583.91 = 139,873.26/x
  3. Step 3: Cross multiply
    353,053.47x = 529,583.91 × 139,873.26
  4. Step 4: Simplify right side
    353,053.47x = 74,074,627,935.25
  5. Step 5: Solve for x
    x = 74,074,627,935.25/353,053.47
  6. Step 6: Final answer
    x = 209,811.36

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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.