Home / 189,623.16-261,674.96-104,738.40

Finding the Fourth Proportional to 189,623.16, 261,674.96 and 104,738.40

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Solution

The fourth proportional to 189,623.16, 261,674.96 and 104,738.40 is: 144,536.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,623.16 : 261,674.96 = 104,738.40 : x
  2. Step 2: Convert to fraction form
    189,623.16/261,674.96 = 104,738.40/x
  3. Step 3: Cross multiply
    189,623.16x = 261,674.96 × 104,738.40
  4. Step 4: Simplify right side
    189,623.16x = 27,407,416,106.77
  5. Step 5: Solve for x
    x = 27,407,416,106.77/189,623.16
  6. Step 6: Final answer
    x = 144,536.23

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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.