Home / 343,500.58-474,038.39-190,533.78

Finding the Fourth Proportional to 343,500.58, 474,038.39 and 190,533.78

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Solution

The fourth proportional to 343,500.58, 474,038.39 and 190,533.78 is: 262,940.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,500.58 : 474,038.39 = 190,533.78 : x
  2. Step 2: Convert to fraction form
    343,500.58/474,038.39 = 190,533.78/x
  3. Step 3: Cross multiply
    343,500.58x = 474,038.39 × 190,533.78
  4. Step 4: Simplify right side
    343,500.58x = 90,320,326,311.81
  5. Step 5: Solve for x
    x = 90,320,326,311.81/343,500.58
  6. Step 6: Final answer
    x = 262,940.83

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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.