Home / 260,741.10-391,036.32-118,507.14

Finding the Fourth Proportional to 260,741.10, 391,036.32 and 118,507.14

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Solution

The fourth proportional to 260,741.10, 391,036.32 and 118,507.14 is: 177,726.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,741.10 : 391,036.32 = 118,507.14 : x
  2. Step 2: Convert to fraction form
    260,741.10/391,036.32 = 118,507.14/x
  3. Step 3: Cross multiply
    260,741.10x = 391,036.32 × 118,507.14
  4. Step 4: Simplify right side
    260,741.10x = 46,340,595,919.32
  5. Step 5: Solve for x
    x = 46,340,595,919.32/260,741.10
  6. Step 6: Final answer
    x = 177,726.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.