Home / 196,700.10-295,050.15-193,419.60

Finding the Fourth Proportional to 196,700.10, 295,050.15 and 193,419.60

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Solution

The fourth proportional to 196,700.10, 295,050.15 and 193,419.60 is: 290,129.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,700.10 : 295,050.15 = 193,419.60 : x
  2. Step 2: Convert to fraction form
    196,700.10/295,050.15 = 193,419.60/x
  3. Step 3: Cross multiply
    196,700.10x = 295,050.15 × 193,419.60
  4. Step 4: Simplify right side
    196,700.10x = 57,068,481,992.94
  5. Step 5: Solve for x
    x = 57,068,481,992.94/196,700.10
  6. Step 6: Final answer
    x = 290,129.40

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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.