Home / 141,124.97-194,752.37-79,870.05

Finding the Fourth Proportional to 141,124.97, 194,752.37 and 79,870.05

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Solution

The fourth proportional to 141,124.97, 194,752.37 and 79,870.05 is: 110,220.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,124.97 : 194,752.37 = 79,870.05 : x
  2. Step 2: Convert to fraction form
    141,124.97/194,752.37 = 79,870.05/x
  3. Step 3: Cross multiply
    141,124.97x = 194,752.37 × 79,870.05
  4. Step 4: Simplify right side
    141,124.97x = 15,554,881,130.17
  5. Step 5: Solve for x
    x = 15,554,881,130.17/141,124.97
  6. Step 6: Final answer
    x = 110,220.62

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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.