Home / 151,856.23-228,018.44-128,471.05

Finding the Fourth Proportional to 151,856.23, 228,018.44 and 128,471.05

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Solution

The fourth proportional to 151,856.23, 228,018.44 and 128,471.05 is: 192,904.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,856.23 : 228,018.44 = 128,471.05 : x
  2. Step 2: Convert to fraction form
    151,856.23/228,018.44 = 128,471.05/x
  3. Step 3: Cross multiply
    151,856.23x = 228,018.44 × 128,471.05
  4. Step 4: Simplify right side
    151,856.23x = 29,293,768,406.16
  5. Step 5: Solve for x
    x = 29,293,768,406.16/151,856.23
  6. Step 6: Final answer
    x = 192,904.62

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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.