Home / 185,929-257,257.56-162,105.28

Finding the Fourth Proportional to 185,929, 257,257.56 and 162,105.28

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Solution

The fourth proportional to 185,929, 257,257.56 and 162,105.28 is: 224,294.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,929 : 257,257.56 = 162,105.28 : x
  2. Step 2: Convert to fraction form
    185,929/257,257.56 = 162,105.28/x
  3. Step 3: Cross multiply
    185,929x = 257,257.56 × 162,105.28
  4. Step 4: Simplify right side
    185,929x = 41,702,808,795.92
  5. Step 5: Solve for x
    x = 41,702,808,795.92/185,929
  6. Step 6: Final answer
    x = 224,294.27

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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.