Home / 256,208.27-384,345.20-98,416.22

Finding the Fourth Proportional to 256,208.27, 384,345.20 and 98,416.22

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Solution

The fourth proportional to 256,208.27, 384,345.20 and 98,416.22 is: 147,636.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,208.27 : 384,345.20 = 98,416.22 : x
  2. Step 2: Convert to fraction form
    256,208.27/384,345.20 = 98,416.22/x
  3. Step 3: Cross multiply
    256,208.27x = 384,345.20 × 98,416.22
  4. Step 4: Simplify right side
    256,208.27x = 37,825,800,083.46
  5. Step 5: Solve for x
    x = 37,825,800,083.46/256,208.27
  6. Step 6: Final answer
    x = 147,636.92

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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.