Home / 345,650.16-477,025.62-190,631.77

Finding the Fourth Proportional to 345,650.16, 477,025.62 and 190,631.77

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Solution

The fourth proportional to 345,650.16, 477,025.62 and 190,631.77 is: 263,087.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,650.16 : 477,025.62 = 190,631.77 : x
  2. Step 2: Convert to fraction form
    345,650.16/477,025.62 = 190,631.77/x
  3. Step 3: Cross multiply
    345,650.16x = 477,025.62 × 190,631.77
  4. Step 4: Simplify right side
    345,650.16x = 90,936,238,275.95
  5. Step 5: Solve for x
    x = 90,936,238,275.95/345,650.16
  6. Step 6: Final answer
    x = 263,087.51

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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.