Home / 362,090.12-499,568.76-209,108.10

Finding the Fourth Proportional to 362,090.12, 499,568.76 and 209,108.10

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Solution

The fourth proportional to 362,090.12, 499,568.76 and 209,108.10 is: 288,502.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,090.12 : 499,568.76 = 209,108.10 : x
  2. Step 2: Convert to fraction form
    362,090.12/499,568.76 = 209,108.10/x
  3. Step 3: Cross multiply
    362,090.12x = 499,568.76 × 209,108.10
  4. Step 4: Simplify right side
    362,090.12x = 104,463,874,222.96
  5. Step 5: Solve for x
    x = 104,463,874,222.96/362,090.12
  6. Step 6: Final answer
    x = 288,502.42

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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.