Home / 118,246.41-163,240.25-91,328.49

Finding the Fourth Proportional to 118,246.41, 163,240.25 and 91,328.49

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Solution

The fourth proportional to 118,246.41, 163,240.25 and 91,328.49 is: 126,079.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,246.41 : 163,240.25 = 91,328.49 : x
  2. Step 2: Convert to fraction form
    118,246.41/163,240.25 = 91,328.49/x
  3. Step 3: Cross multiply
    118,246.41x = 163,240.25 × 91,328.49
  4. Step 4: Simplify right side
    118,246.41x = 14,908,485,083.08
  5. Step 5: Solve for x
    x = 14,908,485,083.08/118,246.41
  6. Step 6: Final answer
    x = 126,079.81

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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.