Home / 209,853.32-289,589.10-114,357.96

Finding the Fourth Proportional to 209,853.32, 289,589.10 and 114,357.96

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Solution

The fourth proportional to 209,853.32, 289,589.10 and 114,357.96 is: 157,809.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,853.32 : 289,589.10 = 114,357.96 : x
  2. Step 2: Convert to fraction form
    209,853.32/289,589.10 = 114,357.96/x
  3. Step 3: Cross multiply
    209,853.32x = 289,589.10 × 114,357.96
  4. Step 4: Simplify right side
    209,853.32x = 33,116,818,714.24
  5. Step 5: Solve for x
    x = 33,116,818,714.24/209,853.32
  6. Step 6: Final answer
    x = 157,809.36

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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.