Home / 118,145.26-163,176.60-86,023.52

Finding the Fourth Proportional to 118,145.26, 163,176.60 and 86,023.52

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Solution

The fourth proportional to 118,145.26, 163,176.60 and 86,023.52 is: 118,811.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,145.26 : 163,176.60 = 86,023.52 : x
  2. Step 2: Convert to fraction form
    118,145.26/163,176.60 = 86,023.52/x
  3. Step 3: Cross multiply
    118,145.26x = 163,176.60 × 86,023.52
  4. Step 4: Simplify right side
    118,145.26x = 14,037,025,513.63
  5. Step 5: Solve for x
    x = 14,037,025,513.63/118,145.26
  6. Step 6: Final answer
    x = 118,811.58

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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.