Home / 209,574.63-289,507.08-186,906.37

Finding the Fourth Proportional to 209,574.63, 289,507.08 and 186,906.37

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Solution

The fourth proportional to 209,574.63, 289,507.08 and 186,906.37 is: 258,193.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,574.63 : 289,507.08 = 186,906.37 : x
  2. Step 2: Convert to fraction form
    209,574.63/289,507.08 = 186,906.37/x
  3. Step 3: Cross multiply
    209,574.63x = 289,507.08 × 186,906.37
  4. Step 4: Simplify right side
    209,574.63x = 54,110,717,412.10
  5. Step 5: Solve for x
    x = 54,110,717,412.10/209,574.63
  6. Step 6: Final answer
    x = 258,193.07

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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.