Home / 196,456.40-295,030.20-190,235.60

Finding the Fourth Proportional to 196,456.40, 295,030.20 and 190,235.60

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Solution

The fourth proportional to 196,456.40, 295,030.20 and 190,235.60 is: 285,688.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,456.40 : 295,030.20 = 190,235.60 : x
  2. Step 2: Convert to fraction form
    196,456.40/295,030.20 = 190,235.60/x
  3. Step 3: Cross multiply
    196,456.40x = 295,030.20 × 190,235.60
  4. Step 4: Simplify right side
    196,456.40x = 56,125,247,115.12
  5. Step 5: Solve for x
    x = 56,125,247,115.12/196,456.40
  6. Step 6: Final answer
    x = 285,688.06

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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.