Home / 278,394.36-384,191.62-151,070.04

Finding the Fourth Proportional to 278,394.36, 384,191.62 and 151,070.04

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Solution

The fourth proportional to 278,394.36, 384,191.62 and 151,070.04 is: 208,480.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,394.36 : 384,191.62 = 151,070.04 : x
  2. Step 2: Convert to fraction form
    278,394.36/384,191.62 = 151,070.04/x
  3. Step 3: Cross multiply
    278,394.36x = 384,191.62 × 151,070.04
  4. Step 4: Simplify right side
    278,394.36x = 58,039,843,401.06
  5. Step 5: Solve for x
    x = 58,039,843,401.06/278,394.36
  6. Step 6: Final answer
    x = 208,480.67

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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.