Home / 127,994.31-191,969.58-34,478.19

Finding the Fourth Proportional to 127,994.31, 191,969.58 and 34,478.19

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Solution

The fourth proportional to 127,994.31, 191,969.58 and 34,478.19 is: 51,711.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,994.31 : 191,969.58 = 34,478.19 : x
  2. Step 2: Convert to fraction form
    127,994.31/191,969.58 = 34,478.19/x
  3. Step 3: Cross multiply
    127,994.31x = 191,969.58 × 34,478.19
  4. Step 4: Simplify right side
    127,994.31x = 6,618,763,653.46
  5. Step 5: Solve for x
    x = 6,618,763,653.46/127,994.31
  6. Step 6: Final answer
    x = 51,711.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.