Home / 345,822.75-477,235.40-186,846.75

Finding the Fourth Proportional to 345,822.75, 477,235.40 and 186,846.75

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Solution

The fourth proportional to 345,822.75, 477,235.40 and 186,846.75 is: 257,848.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,822.75 : 477,235.40 = 186,846.75 : x
  2. Step 2: Convert to fraction form
    345,822.75/477,235.40 = 186,846.75/x
  3. Step 3: Cross multiply
    345,822.75x = 477,235.40 × 186,846.75
  4. Step 4: Simplify right side
    345,822.75x = 89,169,882,540.72
  5. Step 5: Solve for x
    x = 89,169,882,540.72/345,822.75
  6. Step 6: Final answer
    x = 257,848.52

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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.