Home / 320,570.20-442,348.33-184,648.35

Finding the Fourth Proportional to 320,570.20, 442,348.33 and 184,648.35

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Solution

The fourth proportional to 320,570.20, 442,348.33 and 184,648.35 is: 254,792.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,570.20 : 442,348.33 = 184,648.35 : x
  2. Step 2: Convert to fraction form
    320,570.20/442,348.33 = 184,648.35/x
  3. Step 3: Cross multiply
    320,570.20x = 442,348.33 × 184,648.35
  4. Step 4: Simplify right side
    320,570.20x = 81,678,889,904.01
  5. Step 5: Solve for x
    x = 81,678,889,904.01/320,570.20
  6. Step 6: Final answer
    x = 254,792.52

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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.