Home / 252,140.10-378,210.15-94,360.20

Finding the Fourth Proportional to 252,140.10, 378,210.15 and 94,360.20

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Solution

The fourth proportional to 252,140.10, 378,210.15 and 94,360.20 is: 141,540.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,140.10 : 378,210.15 = 94,360.20 : x
  2. Step 2: Convert to fraction form
    252,140.10/378,210.15 = 94,360.20/x
  3. Step 3: Cross multiply
    252,140.10x = 378,210.15 × 94,360.20
  4. Step 4: Simplify right side
    252,140.10x = 35,687,985,396.03
  5. Step 5: Solve for x
    x = 35,687,985,396.03/252,140.10
  6. Step 6: Final answer
    x = 141,540.30

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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.