Home / 195,204.48-269,382.32-105,780.48

Finding the Fourth Proportional to 195,204.48, 269,382.32 and 105,780.48

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Solution

The fourth proportional to 195,204.48, 269,382.32 and 105,780.48 is: 145,977.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,204.48 : 269,382.32 = 105,780.48 : x
  2. Step 2: Convert to fraction form
    195,204.48/269,382.32 = 105,780.48/x
  3. Step 3: Cross multiply
    195,204.48x = 269,382.32 × 105,780.48
  4. Step 4: Simplify right side
    195,204.48x = 28,495,391,113.11
  5. Step 5: Solve for x
    x = 28,495,391,113.11/195,204.48
  6. Step 6: Final answer
    x = 145,977.14

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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.