Home / 343,830.69-474,474.11-190,875.56

Finding the Fourth Proportional to 343,830.69, 474,474.11 and 190,875.56

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Solution

The fourth proportional to 343,830.69, 474,474.11 and 190,875.56 is: 263,401.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,830.69 : 474,474.11 = 190,875.56 : x
  2. Step 2: Convert to fraction form
    343,830.69/474,474.11 = 190,875.56/x
  3. Step 3: Cross multiply
    343,830.69x = 474,474.11 × 190,875.56
  4. Step 4: Simplify right side
    343,830.69x = 90,565,508,125.00
  5. Step 5: Solve for x
    x = 90,565,508,125.00/343,830.69
  6. Step 6: Final answer
    x = 263,401.47

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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.