Home / 189,321.02-261,244.86-104,432.62

Finding the Fourth Proportional to 189,321.02, 261,244.86 and 104,432.62

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Solution

The fourth proportional to 189,321.02, 261,244.86 and 104,432.62 is: 144,107.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,321.02 : 261,244.86 = 104,432.62 : x
  2. Step 2: Convert to fraction form
    189,321.02/261,244.86 = 104,432.62/x
  3. Step 3: Cross multiply
    189,321.02x = 261,244.86 × 104,432.62
  4. Step 4: Simplify right side
    189,321.02x = 27,282,484,048.54
  5. Step 5: Solve for x
    x = 27,282,484,048.54/189,321.02
  6. Step 6: Final answer
    x = 144,107.00

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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.