Home / 338,983-467,795.28-186,023.80

Finding the Fourth Proportional to 338,983, 467,795.28 and 186,023.80

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Solution

The fourth proportional to 338,983, 467,795.28 and 186,023.80 is: 256,712.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,983 : 467,795.28 = 186,023.80 : x
  2. Step 2: Convert to fraction form
    338,983/467,795.28 = 186,023.80/x
  3. Step 3: Cross multiply
    338,983x = 467,795.28 × 186,023.80
  4. Step 4: Simplify right side
    338,983x = 87,021,055,607.66
  5. Step 5: Solve for x
    x = 87,021,055,607.66/338,983
  6. Step 6: Final answer
    x = 256,712.15

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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.