Home / 192,780.29-265,901.56-134,539.80

Finding the Fourth Proportional to 192,780.29, 265,901.56 and 134,539.80

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Solution

The fourth proportional to 192,780.29, 265,901.56 and 134,539.80 is: 185,570.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,780.29 : 265,901.56 = 134,539.80 : x
  2. Step 2: Convert to fraction form
    192,780.29/265,901.56 = 134,539.80/x
  3. Step 3: Cross multiply
    192,780.29x = 265,901.56 × 134,539.80
  4. Step 4: Simplify right side
    192,780.29x = 35,774,342,702.09
  5. Step 5: Solve for x
    x = 35,774,342,702.09/192,780.29
  6. Step 6: Final answer
    x = 185,570.54

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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.