Home / 147,256.10-203,207.83-89,991.19

Finding the Fourth Proportional to 147,256.10, 203,207.83 and 89,991.19

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Solution

The fourth proportional to 147,256.10, 203,207.83 and 89,991.19 is: 124,184.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,256.10 : 203,207.83 = 89,991.19 : x
  2. Step 2: Convert to fraction form
    147,256.10/203,207.83 = 89,991.19/x
  3. Step 3: Cross multiply
    147,256.10x = 203,207.83 × 89,991.19
  4. Step 4: Simplify right side
    147,256.10x = 18,286,914,439.02
  5. Step 5: Solve for x
    x = 18,286,914,439.02/147,256.10
  6. Step 6: Final answer
    x = 124,184.43

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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.