Home / 250,994.56-346,378.08-137,817.76

Finding the Fourth Proportional to 250,994.56, 346,378.08 and 137,817.76

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Solution

The fourth proportional to 250,994.56, 346,378.08 and 137,817.76 is: 190,191.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,994.56 : 346,378.08 = 137,817.76 : x
  2. Step 2: Convert to fraction form
    250,994.56/346,378.08 = 137,817.76/x
  3. Step 3: Cross multiply
    250,994.56x = 346,378.08 × 137,817.76
  4. Step 4: Simplify right side
    250,994.56x = 47,737,051,098.70
  5. Step 5: Solve for x
    x = 47,737,051,098.70/250,994.56
  6. Step 6: Final answer
    x = 190,191.58

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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.