Home / 209,853.34-289,597.65-114,360.05

Finding the Fourth Proportional to 209,853.34, 289,597.65 and 114,360.05

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Solution

The fourth proportional to 209,853.34, 289,597.65 and 114,360.05 is: 157,816.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,853.34 : 289,597.65 = 114,360.05 : x
  2. Step 2: Convert to fraction form
    209,853.34/289,597.65 = 114,360.05/x
  3. Step 3: Cross multiply
    209,853.34x = 289,597.65 × 114,360.05
  4. Step 4: Simplify right side
    209,853.34x = 33,118,401,733.88
  5. Step 5: Solve for x
    x = 33,118,401,733.88/209,853.34
  6. Step 6: Final answer
    x = 157,816.89

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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.