Home / 188,554.77-260,206.56-103,677.30

Finding the Fourth Proportional to 188,554.77, 260,206.56 and 103,677.30

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Solution

The fourth proportional to 188,554.77, 260,206.56 and 103,677.30 is: 143,075.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,554.77 : 260,206.56 = 103,677.30 : x
  2. Step 2: Convert to fraction form
    188,554.77/260,206.56 = 103,677.30/x
  3. Step 3: Cross multiply
    188,554.77x = 260,206.56 × 103,677.30
  4. Step 4: Simplify right side
    188,554.77x = 26,977,513,583.09
  5. Step 5: Solve for x
    x = 26,977,513,583.09/188,554.77
  6. Step 6: Final answer
    x = 143,075.21

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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.