Home / 278,527.92-384,366.42-151,200.96

Finding the Fourth Proportional to 278,527.92, 384,366.42 and 151,200.96

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Solution

The fourth proportional to 278,527.92, 384,366.42 and 151,200.96 is: 208,656.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,527.92 : 384,366.42 = 151,200.96 : x
  2. Step 2: Convert to fraction form
    278,527.92/384,366.42 = 151,200.96/x
  3. Step 3: Cross multiply
    278,527.92x = 384,366.42 × 151,200.96
  4. Step 4: Simplify right side
    278,527.92x = 58,116,571,695.76
  5. Step 5: Solve for x
    x = 58,116,571,695.76/278,527.92
  6. Step 6: Final answer
    x = 208,656.18

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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.