Home / 278,854.07-384,818.33-151,529.36

Finding the Fourth Proportional to 278,854.07, 384,818.33 and 151,529.36

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Solution

The fourth proportional to 278,854.07, 384,818.33 and 151,529.36 is: 209,110.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,854.07 : 384,818.33 = 151,529.36 : x
  2. Step 2: Convert to fraction form
    278,854.07/384,818.33 = 151,529.36/x
  3. Step 3: Cross multiply
    278,854.07x = 384,818.33 × 151,529.36
  4. Step 4: Simplify right side
    278,854.07x = 58,311,274,503.52
  5. Step 5: Solve for x
    x = 58,311,274,503.52/278,854.07
  6. Step 6: Final answer
    x = 209,110.36

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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.