Home / 343,931.49-474,618.78-190,961.73

Finding the Fourth Proportional to 343,931.49, 474,618.78 and 190,961.73

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Solution

The fourth proportional to 343,931.49, 474,618.78 and 190,961.73 is: 263,523.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,931.49 : 474,618.78 = 190,961.73 : x
  2. Step 2: Convert to fraction form
    343,931.49/474,618.78 = 190,961.73/x
  3. Step 3: Cross multiply
    343,931.49x = 474,618.78 × 190,961.73
  4. Step 4: Simplify right side
    343,931.49x = 90,634,023,319.29
  5. Step 5: Solve for x
    x = 90,634,023,319.29/343,931.49
  6. Step 6: Final answer
    x = 263,523.48

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1.5x scale

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.