Home / 278,920.32-384,907.16-151,595.01

Finding the Fourth Proportional to 278,920.32, 384,907.16 and 151,595.01

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Solution

The fourth proportional to 278,920.32, 384,907.16 and 151,595.01 is: 209,199.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,920.32 : 384,907.16 = 151,595.01 : x
  2. Step 2: Convert to fraction form
    278,920.32/384,907.16 = 151,595.01/x
  3. Step 3: Cross multiply
    278,920.32x = 384,907.16 × 151,595.01
  4. Step 4: Simplify right side
    278,920.32x = 58,350,004,011.30
  5. Step 5: Solve for x
    x = 58,350,004,011.30/278,920.32
  6. Step 6: Final answer
    x = 209,199.54

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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.