Home / 189,448.95-261,441.72-104,566.08

Finding the Fourth Proportional to 189,448.95, 261,441.72 and 104,566.08

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Solution

The fourth proportional to 189,448.95, 261,441.72 and 104,566.08 is: 144,302.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,448.95 : 261,441.72 = 104,566.08 : x
  2. Step 2: Convert to fraction form
    189,448.95/261,441.72 = 104,566.08/x
  3. Step 3: Cross multiply
    189,448.95x = 261,441.72 × 104,566.08
  4. Step 4: Simplify right side
    189,448.95x = 27,337,935,808.86
  5. Step 5: Solve for x
    x = 27,337,935,808.86/189,448.95
  6. Step 6: Final answer
    x = 144,302.39

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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.