Home / 118,602.06-163,730.07-68,291.34

Finding the Fourth Proportional to 118,602.06, 163,730.07 and 68,291.34

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Solution

The fourth proportional to 118,602.06, 163,730.07 and 68,291.34 is: 94,276.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,602.06 : 163,730.07 = 68,291.34 : x
  2. Step 2: Convert to fraction form
    118,602.06/163,730.07 = 68,291.34/x
  3. Step 3: Cross multiply
    118,602.06x = 163,730.07 × 68,291.34
  4. Step 4: Simplify right side
    118,602.06x = 11,181,345,878.59
  5. Step 5: Solve for x
    x = 11,181,345,878.59/118,602.06
  6. Step 6: Final answer
    x = 94,276.15

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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.