Home / 209,027.69-288,459.73-113,534.41

Finding the Fourth Proportional to 209,027.69, 288,459.73 and 113,534.41

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Solution

The fourth proportional to 209,027.69, 288,459.73 and 113,534.41 is: 156,678.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,027.69 : 288,459.73 = 113,534.41 : x
  2. Step 2: Convert to fraction form
    209,027.69/288,459.73 = 113,534.41/x
  3. Step 3: Cross multiply
    209,027.69x = 288,459.73 × 113,534.41
  4. Step 4: Simplify right side
    209,027.69x = 32,750,105,215.94
  5. Step 5: Solve for x
    x = 32,750,105,215.94/209,027.69
  6. Step 6: Final answer
    x = 156,678.31

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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.