Home / 318,094.26-439,120.38-201,866.16

Finding the Fourth Proportional to 318,094.26, 439,120.38 and 201,866.16

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Solution

The fourth proportional to 318,094.26, 439,120.38 and 201,866.16 is: 278,670.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,094.26 : 439,120.38 = 201,866.16 : x
  2. Step 2: Convert to fraction form
    318,094.26/439,120.38 = 201,866.16/x
  3. Step 3: Cross multiply
    318,094.26x = 439,120.38 × 201,866.16
  4. Step 4: Simplify right side
    318,094.26x = 88,643,544,888.34
  5. Step 5: Solve for x
    x = 88,643,544,888.34/318,094.26
  6. Step 6: Final answer
    x = 278,670.68

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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.