Home / 343,747.32-474,364.16-190,776.54

Finding the Fourth Proportional to 343,747.32, 474,364.16 and 190,776.54

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Solution

The fourth proportional to 343,747.32, 474,364.16 and 190,776.54 is: 263,267.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,747.32 : 474,364.16 = 190,776.54 : x
  2. Step 2: Convert to fraction form
    343,747.32/474,364.16 = 190,776.54/x
  3. Step 3: Cross multiply
    343,747.32x = 474,364.16 × 190,776.54
  4. Step 4: Simplify right side
    343,747.32x = 90,497,551,127.47
  5. Step 5: Solve for x
    x = 90,497,551,127.47/343,747.32
  6. Step 6: Final answer
    x = 263,267.66

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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.