Home / 118,733.76-163,852.88-64,286.48

Finding the Fourth Proportional to 118,733.76, 163,852.88 and 64,286.48

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Solution

The fourth proportional to 118,733.76, 163,852.88 and 64,286.48 is: 88,715.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,733.76 : 163,852.88 = 64,286.48 : x
  2. Step 2: Convert to fraction form
    118,733.76/163,852.88 = 64,286.48/x
  3. Step 3: Cross multiply
    118,733.76x = 163,852.88 × 64,286.48
  4. Step 4: Simplify right side
    118,733.76x = 10,533,524,893.06
  5. Step 5: Solve for x
    x = 10,533,524,893.06/118,733.76
  6. Step 6: Final answer
    x = 88,715.50

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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.