Home / 189,203.32-261,095.70-104,318.92

Finding the Fourth Proportional to 189,203.32, 261,095.70 and 104,318.92

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Solution

The fourth proportional to 189,203.32, 261,095.70 and 104,318.92 is: 143,957.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,203.32 : 261,095.70 = 104,318.92 : x
  2. Step 2: Convert to fraction form
    189,203.32/261,095.70 = 104,318.92/x
  3. Step 3: Cross multiply
    189,203.32x = 261,095.70 × 104,318.92
  4. Step 4: Simplify right side
    189,203.32x = 27,237,221,440.64
  5. Step 5: Solve for x
    x = 27,237,221,440.64/189,203.32
  6. Step 6: Final answer
    x = 143,957.42

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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.