Home / 377,923.10-521,533.88-208,157.23

Finding the Fourth Proportional to 377,923.10, 521,533.88 and 208,157.23

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Solution

The fourth proportional to 377,923.10, 521,533.88 and 208,157.23 is: 287,256.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,923.10 : 521,533.88 = 208,157.23 : x
  2. Step 2: Convert to fraction form
    377,923.10/521,533.88 = 208,157.23/x
  3. Step 3: Cross multiply
    377,923.10x = 521,533.88 × 208,157.23
  4. Step 4: Simplify right side
    377,923.10x = 108,561,045,467.33
  5. Step 5: Solve for x
    x = 108,561,045,467.33/377,923.10
  6. Step 6: Final answer
    x = 287,256.97

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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.