Home / 149,585.40-206,434.44-85,943.70

Finding the Fourth Proportional to 149,585.40, 206,434.44 and 85,943.70

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Solution

The fourth proportional to 149,585.40, 206,434.44 and 85,943.70 is: 118,606.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,585.40 : 206,434.44 = 85,943.70 : x
  2. Step 2: Convert to fraction form
    149,585.40/206,434.44 = 85,943.70/x
  3. Step 3: Cross multiply
    149,585.40x = 206,434.44 × 85,943.70
  4. Step 4: Simplify right side
    149,585.40x = 17,741,739,581.03
  5. Step 5: Solve for x
    x = 17,741,739,581.03/149,585.40
  6. Step 6: Final answer
    x = 118,606.09

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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.