Home / 343,499.39-474,036.75-190,532.60

Finding the Fourth Proportional to 343,499.39, 474,036.75 and 190,532.60

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Solution

The fourth proportional to 343,499.39, 474,036.75 and 190,532.60 is: 262,939.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,499.39 : 474,036.75 = 190,532.60 : x
  2. Step 2: Convert to fraction form
    343,499.39/474,036.75 = 190,532.60/x
  3. Step 3: Cross multiply
    343,499.39x = 474,036.75 × 190,532.60
  4. Step 4: Simplify right side
    343,499.39x = 90,319,452,102.87
  5. Step 5: Solve for x
    x = 90,319,452,102.87/343,499.39
  6. Step 6: Final answer
    x = 262,939.20

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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.