Home / 189,501.18-261,509.94-104,616.42

Finding the Fourth Proportional to 189,501.18, 261,509.94 and 104,616.42

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Solution

The fourth proportional to 189,501.18, 261,509.94 and 104,616.42 is: 144,369.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,501.18 : 261,509.94 = 104,616.42 : x
  2. Step 2: Convert to fraction form
    189,501.18/261,509.94 = 104,616.42/x
  3. Step 3: Cross multiply
    189,501.18x = 261,509.94 × 104,616.42
  4. Step 4: Simplify right side
    189,501.18x = 27,358,233,717.21
  5. Step 5: Solve for x
    x = 27,358,233,717.21/189,501.18
  6. Step 6: Final answer
    x = 144,369.73

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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.