Home / 210,457.70-290,527.20-134,081.51

Finding the Fourth Proportional to 210,457.70, 290,527.20 and 134,081.51

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Solution

The fourth proportional to 210,457.70, 290,527.20 and 134,081.51 is: 185,093.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,457.70 : 290,527.20 = 134,081.51 : x
  2. Step 2: Convert to fraction form
    210,457.70/290,527.20 = 134,081.51/x
  3. Step 3: Cross multiply
    210,457.70x = 290,527.20 × 134,081.51
  4. Step 4: Simplify right side
    210,457.70x = 38,954,324,219.44
  5. Step 5: Solve for x
    x = 38,954,324,219.44/210,457.70
  6. Step 6: Final answer
    x = 185,093.37

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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.