Home / 141,313.95-195,009.80-80,880.66

Finding the Fourth Proportional to 141,313.95, 195,009.80 and 80,880.66

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Solution

The fourth proportional to 141,313.95, 195,009.80 and 80,880.66 is: 111,613.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,313.95 : 195,009.80 = 80,880.66 : x
  2. Step 2: Convert to fraction form
    141,313.95/195,009.80 = 80,880.66/x
  3. Step 3: Cross multiply
    141,313.95x = 195,009.80 × 80,880.66
  4. Step 4: Simplify right side
    141,313.95x = 15,772,520,926.06
  5. Step 5: Solve for x
    x = 15,772,520,926.06/141,313.95
  6. Step 6: Final answer
    x = 111,613.33

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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.