Home / 209,599.51-289,238.25-114,106.54

Finding the Fourth Proportional to 209,599.51, 289,238.25 and 114,106.54

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Solution

The fourth proportional to 209,599.51, 289,238.25 and 114,106.54 is: 157,462.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,599.51 : 289,238.25 = 114,106.54 : x
  2. Step 2: Convert to fraction form
    209,599.51/289,238.25 = 114,106.54/x
  3. Step 3: Cross multiply
    209,599.51x = 289,238.25 × 114,106.54
  4. Step 4: Simplify right side
    209,599.51x = 33,003,975,943.16
  5. Step 5: Solve for x
    x = 33,003,975,943.16/209,599.51
  6. Step 6: Final answer
    x = 157,462.09

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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.