Home / 192,128.23-265,159.45-159,805.82

Finding the Fourth Proportional to 192,128.23, 265,159.45 and 159,805.82

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Solution

The fourth proportional to 192,128.23, 265,159.45 and 159,805.82 is: 220,550.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,128.23 : 265,159.45 = 159,805.82 : x
  2. Step 2: Convert to fraction form
    192,128.23/265,159.45 = 159,805.82/x
  3. Step 3: Cross multiply
    192,128.23x = 265,159.45 × 159,805.82
  4. Step 4: Simplify right side
    192,128.23x = 42,374,023,591.60
  5. Step 5: Solve for x
    x = 42,374,023,591.60/192,128.23
  6. Step 6: Final answer
    x = 220,550.74

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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.