Home / 209,815.58-289,545.54-114,322.29

Finding the Fourth Proportional to 209,815.58, 289,545.54 and 114,322.29

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Solution

The fourth proportional to 209,815.58, 289,545.54 and 114,322.29 is: 157,764.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,815.58 : 289,545.54 = 114,322.29 : x
  2. Step 2: Convert to fraction form
    209,815.58/289,545.54 = 114,322.29/x
  3. Step 3: Cross multiply
    209,815.58x = 289,545.54 × 114,322.29
  4. Step 4: Simplify right side
    209,815.58x = 33,101,507,677.58
  5. Step 5: Solve for x
    x = 33,101,507,677.58/209,815.58
  6. Step 6: Final answer
    x = 157,764.77

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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.