Home / 189,666.42-261,746.01-104,788.14

Finding the Fourth Proportional to 189,666.42, 261,746.01 and 104,788.14

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Solution

The fourth proportional to 189,666.42, 261,746.01 and 104,788.14 is: 144,611.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,666.42 : 261,746.01 = 104,788.14 : x
  2. Step 2: Convert to fraction form
    189,666.42/261,746.01 = 104,788.14/x
  3. Step 3: Cross multiply
    189,666.42x = 261,746.01 × 104,788.14
  4. Step 4: Simplify right side
    189,666.42x = 27,427,877,540.32
  5. Step 5: Solve for x
    x = 27,427,877,540.32/189,666.42
  6. Step 6: Final answer
    x = 144,611.14

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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.