Home / 343,586.45-474,133.29-190,623

Finding the Fourth Proportional to 343,586.45, 474,133.29 and 190,623

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Solution

The fourth proportional to 343,586.45, 474,133.29 and 190,623 is: 263,050.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,586.45 : 474,133.29 = 190,623 : x
  2. Step 2: Convert to fraction form
    343,586.45/474,133.29 = 190,623/x
  3. Step 3: Cross multiply
    343,586.45x = 474,133.29 × 190,623
  4. Step 4: Simplify right side
    343,586.45x = 90,380,710,139.67
  5. Step 5: Solve for x
    x = 90,380,710,139.67/343,586.45
  6. Step 6: Final answer
    x = 263,050.86

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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.