Home / 118,281.76-163,198.14-70,501.36

Finding the Fourth Proportional to 118,281.76, 163,198.14 and 70,501.36

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Solution

The fourth proportional to 118,281.76, 163,198.14 and 70,501.36 is: 97,273.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,281.76 : 163,198.14 = 70,501.36 : x
  2. Step 2: Convert to fraction form
    118,281.76/163,198.14 = 70,501.36/x
  3. Step 3: Cross multiply
    118,281.76x = 163,198.14 × 70,501.36
  4. Step 4: Simplify right side
    118,281.76x = 11,505,690,819.47
  5. Step 5: Solve for x
    x = 11,505,690,819.47/118,281.76
  6. Step 6: Final answer
    x = 97,273.58

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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.