Home / 278,394.62-384,185.61-151,070.24

Finding the Fourth Proportional to 278,394.62, 384,185.61 and 151,070.24

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Solution

The fourth proportional to 278,394.62, 384,185.61 and 151,070.24 is: 208,477.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,394.62 : 384,185.61 = 151,070.24 : x
  2. Step 2: Convert to fraction form
    278,394.62/384,185.61 = 151,070.24/x
  3. Step 3: Cross multiply
    278,394.62x = 384,185.61 × 151,070.24
  4. Step 4: Simplify right side
    278,394.62x = 58,039,012,307.25
  5. Step 5: Solve for x
    x = 58,039,012,307.25/278,394.62
  6. Step 6: Final answer
    x = 208,477.49

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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.