Home / 189,996.32-262,021.20-163,130.24

Finding the Fourth Proportional to 189,996.32, 262,021.20 and 163,130.24

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Solution

The fourth proportional to 189,996.32, 262,021.20 and 163,130.24 is: 224,970.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,996.32 : 262,021.20 = 163,130.24 : x
  2. Step 2: Convert to fraction form
    189,996.32/262,021.20 = 163,130.24/x
  3. Step 3: Cross multiply
    189,996.32x = 262,021.20 × 163,130.24
  4. Step 4: Simplify right side
    189,996.32x = 42,743,581,241.09
  5. Step 5: Solve for x
    x = 42,743,581,241.09/189,996.32
  6. Step 6: Final answer
    x = 224,970.57

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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.