Home / 371,273.12-512,357.40-201,507.26

Finding the Fourth Proportional to 371,273.12, 512,357.40 and 201,507.26

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Solution

The fourth proportional to 371,273.12, 512,357.40 and 201,507.26 is: 278,080.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,273.12 : 512,357.40 = 201,507.26 : x
  2. Step 2: Convert to fraction form
    371,273.12/512,357.40 = 201,507.26/x
  3. Step 3: Cross multiply
    371,273.12x = 512,357.40 × 201,507.26
  4. Step 4: Simplify right side
    371,273.12x = 103,243,735,814.72
  5. Step 5: Solve for x
    x = 103,243,735,814.72/371,273.12
  6. Step 6: Final answer
    x = 278,080.29

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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.