Home / 118,267.06-163,208.70-75,825.59

Finding the Fourth Proportional to 118,267.06, 163,208.70 and 75,825.59

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Solution

The fourth proportional to 118,267.06, 163,208.70 and 75,825.59 is: 104,639.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,267.06 : 163,208.70 = 75,825.59 : x
  2. Step 2: Convert to fraction form
    118,267.06/163,208.70 = 75,825.59/x
  3. Step 3: Cross multiply
    118,267.06x = 163,208.70 × 75,825.59
  4. Step 4: Simplify right side
    118,267.06x = 12,375,395,970.63
  5. Step 5: Solve for x
    x = 12,375,395,970.63/118,267.06
  6. Step 6: Final answer
    x = 104,639.41

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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.