Home / 278,503.24-384,334.13-151,178.84

Finding the Fourth Proportional to 278,503.24, 384,334.13 and 151,178.84

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Solution

The fourth proportional to 278,503.24, 384,334.13 and 151,178.84 is: 208,626.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,503.24 : 384,334.13 = 151,178.84 : x
  2. Step 2: Convert to fraction form
    278,503.24/384,334.13 = 151,178.84/x
  3. Step 3: Cross multiply
    278,503.24x = 384,334.13 × 151,178.84
  4. Step 4: Simplify right side
    278,503.24x = 58,103,186,024.14
  5. Step 5: Solve for x
    x = 58,103,186,024.14/278,503.24
  6. Step 6: Final answer
    x = 208,626.61

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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.