Home / 209,857.55-289,594.98-114,362.19

Finding the Fourth Proportional to 209,857.55, 289,594.98 and 114,362.19

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Solution

The fourth proportional to 209,857.55, 289,594.98 and 114,362.19 is: 157,815.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,857.55 : 289,594.98 = 114,362.19 : x
  2. Step 2: Convert to fraction form
    209,857.55/289,594.98 = 114,362.19/x
  3. Step 3: Cross multiply
    209,857.55x = 289,594.98 × 114,362.19
  4. Step 4: Simplify right side
    209,857.55x = 33,118,716,125.81
  5. Step 5: Solve for x
    x = 33,118,716,125.81/209,857.55
  6. Step 6: Final answer
    x = 157,815.23

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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.