Home / 195,464.40-293,196.60-193,390.80

Finding the Fourth Proportional to 195,464.40, 293,196.60 and 193,390.80

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Solution

The fourth proportional to 195,464.40, 293,196.60 and 193,390.80 is: 290,086.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,464.40 : 293,196.60 = 193,390.80 : x
  2. Step 2: Convert to fraction form
    195,464.40/293,196.60 = 193,390.80/x
  3. Step 3: Cross multiply
    195,464.40x = 293,196.60 × 193,390.80
  4. Step 4: Simplify right side
    195,464.40x = 56,701,525,031.28
  5. Step 5: Solve for x
    x = 56,701,525,031.28/195,464.40
  6. Step 6: Final answer
    x = 290,086.20

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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.