Home / 237,855.37-328,412.61-153,120.04

Finding the Fourth Proportional to 237,855.37, 328,412.61 and 153,120.04

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Solution

The fourth proportional to 237,855.37, 328,412.61 and 153,120.04 is: 211,416.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,855.37 : 328,412.61 = 153,120.04 : x
  2. Step 2: Convert to fraction form
    237,855.37/328,412.61 = 153,120.04/x
  3. Step 3: Cross multiply
    237,855.37x = 328,412.61 × 153,120.04
  4. Step 4: Simplify right side
    237,855.37x = 50,286,551,979.70
  5. Step 5: Solve for x
    x = 50,286,551,979.70/237,855.37
  6. Step 6: Final answer
    x = 211,416.51

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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.