Home / 141,205.36-194,866.86-76,677.40

Finding the Fourth Proportional to 141,205.36, 194,866.86 and 76,677.40

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Solution

The fourth proportional to 141,205.36, 194,866.86 and 76,677.40 is: 105,816.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,205.36 : 194,866.86 = 76,677.40 : x
  2. Step 2: Convert to fraction form
    141,205.36/194,866.86 = 76,677.40/x
  3. Step 3: Cross multiply
    141,205.36x = 194,866.86 × 76,677.40
  4. Step 4: Simplify right side
    141,205.36x = 14,941,884,170.96
  5. Step 5: Solve for x
    x = 14,941,884,170.96/141,205.36
  6. Step 6: Final answer
    x = 105,816.69

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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.