Home / 209,231.25-288,733.04-118,595.56

Finding the Fourth Proportional to 209,231.25, 288,733.04 and 118,595.56

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Solution

The fourth proportional to 209,231.25, 288,733.04 and 118,595.56 is: 163,658.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,231.25 : 288,733.04 = 118,595.56 : x
  2. Step 2: Convert to fraction form
    209,231.25/288,733.04 = 118,595.56/x
  3. Step 3: Cross multiply
    209,231.25x = 288,733.04 × 118,595.56
  4. Step 4: Simplify right side
    209,231.25x = 34,242,455,125.64
  5. Step 5: Solve for x
    x = 34,242,455,125.64/209,231.25
  6. Step 6: Final answer
    x = 163,658.42

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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.