Home / 145,585.26-200,906.22-85,144.45

Finding the Fourth Proportional to 145,585.26, 200,906.22 and 85,144.45

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Solution

The fourth proportional to 145,585.26, 200,906.22 and 85,144.45 is: 117,498.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,585.26 : 200,906.22 = 85,144.45 : x
  2. Step 2: Convert to fraction form
    145,585.26/200,906.22 = 85,144.45/x
  3. Step 3: Cross multiply
    145,585.26x = 200,906.22 × 85,144.45
  4. Step 4: Simplify right side
    145,585.26x = 17,106,049,603.48
  5. Step 5: Solve for x
    x = 17,106,049,603.48/145,585.26
  6. Step 6: Final answer
    x = 117,498.50

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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.