Home / 209,702.58-289,391.04-114,207.36

Finding the Fourth Proportional to 209,702.58, 289,391.04 and 114,207.36

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Solution

The fourth proportional to 209,702.58, 289,391.04 and 114,207.36 is: 157,606.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,702.58 : 289,391.04 = 114,207.36 : x
  2. Step 2: Convert to fraction form
    209,702.58/289,391.04 = 114,207.36/x
  3. Step 3: Cross multiply
    209,702.58x = 289,391.04 × 114,207.36
  4. Step 4: Simplify right side
    209,702.58x = 33,050,586,686.05
  5. Step 5: Solve for x
    x = 33,050,586,686.05/209,702.58
  6. Step 6: Final answer
    x = 157,606.96

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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.