Home / 278,384.55-384,171.73-151,060.14

Finding the Fourth Proportional to 278,384.55, 384,171.73 and 151,060.14

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Solution

The fourth proportional to 278,384.55, 384,171.73 and 151,060.14 is: 208,463.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,384.55 : 384,171.73 = 151,060.14 : x
  2. Step 2: Convert to fraction form
    278,384.55/384,171.73 = 151,060.14/x
  3. Step 3: Cross multiply
    278,384.55x = 384,171.73 × 151,060.14
  4. Step 4: Simplify right side
    278,384.55x = 58,033,034,940.19
  5. Step 5: Solve for x
    x = 58,033,034,940.19/278,384.55
  6. Step 6: Final answer
    x = 208,463.56

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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.