Home / 320,570.45-442,348.67-184,648.61

Finding the Fourth Proportional to 320,570.45, 442,348.67 and 184,648.61

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Solution

The fourth proportional to 320,570.45, 442,348.67 and 184,648.61 is: 254,792.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,570.45 : 442,348.67 = 184,648.61 : x
  2. Step 2: Convert to fraction form
    320,570.45/442,348.67 = 184,648.61/x
  3. Step 3: Cross multiply
    320,570.45x = 442,348.67 × 184,648.61
  4. Step 4: Simplify right side
    320,570.45x = 81,679,064,839.11
  5. Step 5: Solve for x
    x = 81,679,064,839.11/320,570.45
  6. Step 6: Final answer
    x = 254,792.87

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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.