Home / 209,888.32-289,637.40-114,392.96

Finding the Fourth Proportional to 209,888.32, 289,637.40 and 114,392.96

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Solution

The fourth proportional to 209,888.32, 289,637.40 and 114,392.96 is: 157,857.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,888.32 : 289,637.40 = 114,392.96 : x
  2. Step 2: Convert to fraction form
    209,888.32/289,637.40 = 114,392.96/x
  3. Step 3: Cross multiply
    209,888.32x = 289,637.40 × 114,392.96
  4. Step 4: Simplify right side
    209,888.32x = 33,132,479,512.70
  5. Step 5: Solve for x
    x = 33,132,479,512.70/209,888.32
  6. Step 6: Final answer
    x = 157,857.66

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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.