Home / 147,087.14-203,000.97-85,853.42

Finding the Fourth Proportional to 147,087.14, 203,000.97 and 85,853.42

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Solution

The fourth proportional to 147,087.14, 203,000.97 and 85,853.42 is: 118,489.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,087.14 : 203,000.97 = 85,853.42 : x
  2. Step 2: Convert to fraction form
    147,087.14/203,000.97 = 85,853.42/x
  3. Step 3: Cross multiply
    147,087.14x = 203,000.97 × 85,853.42
  4. Step 4: Simplify right side
    147,087.14x = 17,428,326,522.81
  5. Step 5: Solve for x
    x = 17,428,326,522.81/147,087.14
  6. Step 6: Final answer
    x = 118,489.81

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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.