Home / 371,291.12-512,382.33-201,525.32

Finding the Fourth Proportional to 371,291.12, 512,382.33 and 201,525.32

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Solution

The fourth proportional to 371,291.12, 512,382.33 and 201,525.32 is: 278,105.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,291.12 : 512,382.33 = 201,525.32 : x
  2. Step 2: Convert to fraction form
    371,291.12/512,382.33 = 201,525.32/x
  3. Step 3: Cross multiply
    371,291.12x = 512,382.33 × 201,525.32
  4. Step 4: Simplify right side
    371,291.12x = 103,258,013,015.60
  5. Step 5: Solve for x
    x = 103,258,013,015.60/371,291.12
  6. Step 6: Final answer
    x = 278,105.26

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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.