Home / 189,404.19-261,376.88-104,526.45

Finding the Fourth Proportional to 189,404.19, 261,376.88 and 104,526.45

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Solution

The fourth proportional to 189,404.19, 261,376.88 and 104,526.45 is: 144,246.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,404.19 : 261,376.88 = 104,526.45 : x
  2. Step 2: Convert to fraction form
    189,404.19/261,376.88 = 104,526.45/x
  3. Step 3: Cross multiply
    189,404.19x = 261,376.88 × 104,526.45
  4. Step 4: Simplify right side
    189,404.19x = 27,320,796,855.84
  5. Step 5: Solve for x
    x = 27,320,796,855.84/189,404.19
  6. Step 6: Final answer
    x = 144,246.00

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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.