Home / 190,327.91-262,533.69-122,433.39

Finding the Fourth Proportional to 190,327.91, 262,533.69 and 122,433.39

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Solution

The fourth proportional to 190,327.91, 262,533.69 and 122,433.39 is: 168,881.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,327.91 : 262,533.69 = 122,433.39 : x
  2. Step 2: Convert to fraction form
    190,327.91/262,533.69 = 122,433.39/x
  3. Step 3: Cross multiply
    190,327.91x = 262,533.69 × 122,433.39
  4. Step 4: Simplify right side
    190,327.91x = 32,142,889,655.91
  5. Step 5: Solve for x
    x = 32,142,889,655.91/190,327.91
  6. Step 6: Final answer
    x = 168,881.64

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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.