Home / 189,746.36-261,855.22-104,868.92

Finding the Fourth Proportional to 189,746.36, 261,855.22 and 104,868.92

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Solution

The fourth proportional to 189,746.36, 261,855.22 and 104,868.92 is: 144,722.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,746.36 : 261,855.22 = 104,868.92 : x
  2. Step 2: Convert to fraction form
    189,746.36/261,855.22 = 104,868.92/x
  3. Step 3: Cross multiply
    189,746.36x = 261,855.22 × 104,868.92
  4. Step 4: Simplify right side
    189,746.36x = 27,460,474,117.76
  5. Step 5: Solve for x
    x = 27,460,474,117.76/189,746.36
  6. Step 6: Final answer
    x = 144,722.01

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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.