Home / 189,192.36-261,087.54-104,312.52

Finding the Fourth Proportional to 189,192.36, 261,087.54 and 104,312.52

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Solution

The fourth proportional to 189,192.36, 261,087.54 and 104,312.52 is: 143,952.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,192.36 : 261,087.54 = 104,312.52 : x
  2. Step 2: Convert to fraction form
    189,192.36/261,087.54 = 104,312.52/x
  3. Step 3: Cross multiply
    189,192.36x = 261,087.54 × 104,312.52
  4. Step 4: Simplify right side
    189,192.36x = 27,234,699,238.00
  5. Step 5: Solve for x
    x = 27,234,699,238.00/189,192.36
  6. Step 6: Final answer
    x = 143,952.43

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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.