Home / 351,313.86-484,813.24-190,168.40

Finding the Fourth Proportional to 351,313.86, 484,813.24 and 190,168.40

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Solution

The fourth proportional to 351,313.86, 484,813.24 and 190,168.40 is: 262,432.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,313.86 : 484,813.24 = 190,168.40 : x
  2. Step 2: Convert to fraction form
    351,313.86/484,813.24 = 190,168.40/x
  3. Step 3: Cross multiply
    351,313.86x = 484,813.24 × 190,168.40
  4. Step 4: Simplify right side
    351,313.86x = 92,196,158,149.62
  5. Step 5: Solve for x
    x = 92,196,158,149.62/351,313.86
  6. Step 6: Final answer
    x = 262,432.45

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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.