Home / 209,744.18-289,453.65-114,253.94

Finding the Fourth Proportional to 209,744.18, 289,453.65 and 114,253.94

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Solution

The fourth proportional to 209,744.18, 289,453.65 and 114,253.94 is: 157,674.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,744.18 : 289,453.65 = 114,253.94 : x
  2. Step 2: Convert to fraction form
    209,744.18/289,453.65 = 114,253.94/x
  3. Step 3: Cross multiply
    209,744.18x = 289,453.65 × 114,253.94
  4. Step 4: Simplify right side
    209,744.18x = 33,071,219,959.88
  5. Step 5: Solve for x
    x = 33,071,219,959.88/209,744.18
  6. Step 6: Final answer
    x = 157,674.08

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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.