Home / 141,187.16-194,851.81-80,746.00

Finding the Fourth Proportional to 141,187.16, 194,851.81 and 80,746.00

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Solution

The fourth proportional to 141,187.16, 194,851.81 and 80,746.00 is: 111,437.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,187.16 : 194,851.81 = 80,746.00 : x
  2. Step 2: Convert to fraction form
    141,187.16/194,851.81 = 80,746.00/x
  3. Step 3: Cross multiply
    141,187.16x = 194,851.81 × 80,746.00
  4. Step 4: Simplify right side
    141,187.16x = 15,733,503,561.27
  5. Step 5: Solve for x
    x = 15,733,503,561.27/141,187.16
  6. Step 6: Final answer
    x = 111,437.22

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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.