Home / 118,351.35-163,317.63-64,625.44

Finding the Fourth Proportional to 118,351.35, 163,317.63 and 64,625.44

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Solution

The fourth proportional to 118,351.35, 163,317.63 and 64,625.44 is: 89,179.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,351.35 : 163,317.63 = 64,625.44 : x
  2. Step 2: Convert to fraction form
    118,351.35/163,317.63 = 64,625.44/x
  3. Step 3: Cross multiply
    118,351.35x = 163,317.63 × 64,625.44
  4. Step 4: Simplify right side
    118,351.35x = 10,554,473,698.51
  5. Step 5: Solve for x
    x = 10,554,473,698.51/118,351.35
  6. Step 6: Final answer
    x = 89,179.16

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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.