Home / 188,810.08-260,564.29-102,772.19

Finding the Fourth Proportional to 188,810.08, 260,564.29 and 102,772.19

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Solution

The fourth proportional to 188,810.08, 260,564.29 and 102,772.19 is: 141,829.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,810.08 : 260,564.29 = 102,772.19 : x
  2. Step 2: Convert to fraction form
    188,810.08/260,564.29 = 102,772.19/x
  3. Step 3: Cross multiply
    188,810.08x = 260,564.29 × 102,772.19
  4. Step 4: Simplify right side
    188,810.08x = 26,778,763,113.58
  5. Step 5: Solve for x
    x = 26,778,763,113.58/188,810.08
  6. Step 6: Final answer
    x = 141,829.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.