Home / 189,210.28-260,838.88-148,853.96

Finding the Fourth Proportional to 189,210.28, 260,838.88 and 148,853.96

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Solution

The fourth proportional to 189,210.28, 260,838.88 and 148,853.96 is: 205,205.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,210.28 : 260,838.88 = 148,853.96 : x
  2. Step 2: Convert to fraction form
    189,210.28/260,838.88 = 148,853.96/x
  3. Step 3: Cross multiply
    189,210.28x = 260,838.88 × 148,853.96
  4. Step 4: Simplify right side
    189,210.28x = 38,826,898,533.64
  5. Step 5: Solve for x
    x = 38,826,898,533.64/189,210.28
  6. Step 6: Final answer
    x = 205,205.02

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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.