Home / 188,529.83-260,172.93-103,647.50

Finding the Fourth Proportional to 188,529.83, 260,172.93 and 103,647.50

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Solution

The fourth proportional to 188,529.83, 260,172.93 and 103,647.50 is: 143,034.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,529.83 : 260,172.93 = 103,647.50 : x
  2. Step 2: Convert to fraction form
    188,529.83/260,172.93 = 103,647.50/x
  3. Step 3: Cross multiply
    188,529.83x = 260,172.93 × 103,647.50
  4. Step 4: Simplify right side
    188,529.83x = 26,966,273,762.18
  5. Step 5: Solve for x
    x = 26,966,273,762.18/188,529.83
  6. Step 6: Final answer
    x = 143,034.52

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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.