Home / 189,374.10-261,341.69-104,496.63

Finding the Fourth Proportional to 189,374.10, 261,341.69 and 104,496.63

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Solution

The fourth proportional to 189,374.10, 261,341.69 and 104,496.63 is: 144,208.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,374.10 : 261,341.69 = 104,496.63 : x
  2. Step 2: Convert to fraction form
    189,374.10/261,341.69 = 104,496.63/x
  3. Step 3: Cross multiply
    189,374.10x = 261,341.69 × 104,496.63
  4. Step 4: Simplify right side
    189,374.10x = 27,309,325,361.02
  5. Step 5: Solve for x
    x = 27,309,325,361.02/189,374.10
  6. Step 6: Final answer
    x = 144,208.34

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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.