Home / 209,611.87-289,265.58-114,118.34

Finding the Fourth Proportional to 209,611.87, 289,265.58 and 114,118.34

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Solution

The fourth proportional to 209,611.87, 289,265.58 and 114,118.34 is: 157,483.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,611.87 : 289,265.58 = 114,118.34 : x
  2. Step 2: Convert to fraction form
    209,611.87/289,265.58 = 114,118.34/x
  3. Step 3: Cross multiply
    209,611.87x = 289,265.58 × 114,118.34
  4. Step 4: Simplify right side
    209,611.87x = 33,010,506,362.41
  5. Step 5: Solve for x
    x = 33,010,506,362.41/209,611.87
  6. Step 6: Final answer
    x = 157,483.96

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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.