Home / 209,641.11-289,305.42-114,148.38

Finding the Fourth Proportional to 209,641.11, 289,305.42 and 114,148.38

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Solution

The fourth proportional to 209,641.11, 289,305.42 and 114,148.38 is: 157,525.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,641.11 : 289,305.42 = 114,148.38 : x
  2. Step 2: Convert to fraction form
    209,641.11/289,305.42 = 114,148.38/x
  3. Step 3: Cross multiply
    209,641.11x = 289,305.42 × 114,148.38
  4. Step 4: Simplify right side
    209,641.11x = 33,023,745,018.22
  5. Step 5: Solve for x
    x = 33,023,745,018.22/209,641.11
  6. Step 6: Final answer
    x = 157,525.14

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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.