Home / 343,740.02-474,354.09-190,769.33

Finding the Fourth Proportional to 343,740.02, 474,354.09 and 190,769.33

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Solution

The fourth proportional to 343,740.02, 474,354.09 and 190,769.33 is: 263,257.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,740.02 : 474,354.09 = 190,769.33 : x
  2. Step 2: Convert to fraction form
    343,740.02/474,354.09 = 190,769.33/x
  3. Step 3: Cross multiply
    343,740.02x = 474,354.09 × 190,769.33
  4. Step 4: Simplify right side
    343,740.02x = 90,492,213,117.94
  5. Step 5: Solve for x
    x = 90,492,213,117.94/343,740.02
  6. Step 6: Final answer
    x = 263,257.72

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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.