Home / 151,211.40-226,817.10-84,856.20

Finding the Fourth Proportional to 151,211.40, 226,817.10 and 84,856.20

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Solution

The fourth proportional to 151,211.40, 226,817.10 and 84,856.20 is: 127,284.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,211.40 : 226,817.10 = 84,856.20 : x
  2. Step 2: Convert to fraction form
    151,211.40/226,817.10 = 84,856.20/x
  3. Step 3: Cross multiply
    151,211.40x = 226,817.10 × 84,856.20
  4. Step 4: Simplify right side
    151,211.40x = 19,246,837,201.02
  5. Step 5: Solve for x
    x = 19,246,837,201.02/151,211.40
  6. Step 6: Final answer
    x = 127,284.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.