Home / 141,310.09-194,813.06-112,726.76

Finding the Fourth Proportional to 141,310.09, 194,813.06 and 112,726.76

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Solution

The fourth proportional to 141,310.09, 194,813.06 and 112,726.76 is: 155,407.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,310.09 : 194,813.06 = 112,726.76 : x
  2. Step 2: Convert to fraction form
    141,310.09/194,813.06 = 112,726.76/x
  3. Step 3: Cross multiply
    141,310.09x = 194,813.06 × 112,726.76
  4. Step 4: Simplify right side
    141,310.09x = 21,960,645,059.49
  5. Step 5: Solve for x
    x = 21,960,645,059.49/141,310.09
  6. Step 6: Final answer
    x = 155,407.48

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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.