Home / 286,895.12-395,909.73-157,826.04

Finding the Fourth Proportional to 286,895.12, 395,909.73 and 157,826.04

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Solution

The fourth proportional to 286,895.12, 395,909.73 and 157,826.04 is: 217,796.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,895.12 : 395,909.73 = 157,826.04 : x
  2. Step 2: Convert to fraction form
    286,895.12/395,909.73 = 157,826.04/x
  3. Step 3: Cross multiply
    286,895.12x = 395,909.73 × 157,826.04
  4. Step 4: Simplify right side
    286,895.12x = 62,484,864,883.37
  5. Step 5: Solve for x
    x = 62,484,864,883.37/286,895.12
  6. Step 6: Final answer
    x = 217,796.89

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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.