Home / 189,507.80-261,520.04-104,624.26

Finding the Fourth Proportional to 189,507.80, 261,520.04 and 104,624.26

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Solution

The fourth proportional to 189,507.80, 261,520.04 and 104,624.26 is: 144,381.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,507.80 : 261,520.04 = 104,624.26 : x
  2. Step 2: Convert to fraction form
    189,507.80/261,520.04 = 104,624.26/x
  3. Step 3: Cross multiply
    189,507.80x = 261,520.04 × 104,624.26
  4. Step 4: Simplify right side
    189,507.80x = 27,361,340,267.93
  5. Step 5: Solve for x
    x = 27,361,340,267.93/189,507.80
  6. Step 6: Final answer
    x = 144,381.08

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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.