Home / 233,085.19-321,682.43-136,318.63

Finding the Fourth Proportional to 233,085.19, 321,682.43 and 136,318.63

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Solution

The fourth proportional to 233,085.19, 321,682.43 and 136,318.63 is: 188,134.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,085.19 : 321,682.43 = 136,318.63 : x
  2. Step 2: Convert to fraction form
    233,085.19/321,682.43 = 136,318.63/x
  3. Step 3: Cross multiply
    233,085.19x = 321,682.43 × 136,318.63
  4. Step 4: Simplify right side
    233,085.19x = 43,851,305,862.67
  5. Step 5: Solve for x
    x = 43,851,305,862.67/233,085.19
  6. Step 6: Final answer
    x = 188,134.25

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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.