Home / 189,322.89-261,266.45-104,439.93

Finding the Fourth Proportional to 189,322.89, 261,266.45 and 104,439.93

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Solution

The fourth proportional to 189,322.89, 261,266.45 and 104,439.93 is: 144,127.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,322.89 : 261,266.45 = 104,439.93 : x
  2. Step 2: Convert to fraction form
    189,322.89/261,266.45 = 104,439.93/x
  3. Step 3: Cross multiply
    189,322.89x = 261,266.45 × 104,439.93
  4. Step 4: Simplify right side
    189,322.89x = 27,286,649,227.15
  5. Step 5: Solve for x
    x = 27,286,649,227.15/189,322.89
  6. Step 6: Final answer
    x = 144,127.58

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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.