Home / 232,970.22-321,421.53-189,875.61

Finding the Fourth Proportional to 232,970.22, 321,421.53 and 189,875.61

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Solution

The fourth proportional to 232,970.22, 321,421.53 and 189,875.61 is: 261,965.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,970.22 : 321,421.53 = 189,875.61 : x
  2. Step 2: Convert to fraction form
    232,970.22/321,421.53 = 189,875.61/x
  3. Step 3: Cross multiply
    232,970.22x = 321,421.53 × 189,875.61
  4. Step 4: Simplify right side
    232,970.22x = 61,030,109,075.88
  5. Step 5: Solve for x
    x = 61,030,109,075.88/232,970.22
  6. Step 6: Final answer
    x = 261,965.28

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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.