Home / 189,069.04-260,920.86-104,191.60

Finding the Fourth Proportional to 189,069.04, 260,920.86 and 104,191.60

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Solution

The fourth proportional to 189,069.04, 260,920.86 and 104,191.60 is: 143,787.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,069.04 : 260,920.86 = 104,191.60 : x
  2. Step 2: Convert to fraction form
    189,069.04/260,920.86 = 104,191.60/x
  3. Step 3: Cross multiply
    189,069.04x = 260,920.86 × 104,191.60
  4. Step 4: Simplify right side
    189,069.04x = 27,185,761,876.78
  5. Step 5: Solve for x
    x = 27,185,761,876.78/189,069.04
  6. Step 6: Final answer
    x = 143,787.49

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1.5x scale

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.