Home / 118,207.66-163,186.77-91,289.74

Finding the Fourth Proportional to 118,207.66, 163,186.77 and 91,289.74

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Solution

The fourth proportional to 118,207.66, 163,186.77 and 91,289.74 is: 126,026.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,207.66 : 163,186.77 = 91,289.74 : x
  2. Step 2: Convert to fraction form
    118,207.66/163,186.77 = 91,289.74/x
  3. Step 3: Cross multiply
    118,207.66x = 163,186.77 × 91,289.74
  4. Step 4: Simplify right side
    118,207.66x = 14,897,277,804.74
  5. Step 5: Solve for x
    x = 14,897,277,804.74/118,207.66
  6. Step 6: Final answer
    x = 126,026.33

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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.