Home / 326,066.20-488,516.10-201,261.40

Finding the Fourth Proportional to 326,066.20, 488,516.10 and 201,261.40

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Solution

The fourth proportional to 326,066.20, 488,516.10 and 201,261.40 is: 301,532.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,066.20 : 488,516.10 = 201,261.40 : x
  2. Step 2: Convert to fraction form
    326,066.20/488,516.10 = 201,261.40/x
  3. Step 3: Cross multiply
    326,066.20x = 488,516.10 × 201,261.40
  4. Step 4: Simplify right side
    326,066.20x = 98,319,434,208.54
  5. Step 5: Solve for x
    x = 98,319,434,208.54/326,066.20
  6. Step 6: Final answer
    x = 301,532.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.