Home / 141,804.40-195,687.57-77,274.21

Finding the Fourth Proportional to 141,804.40, 195,687.57 and 77,274.21

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Solution

The fourth proportional to 141,804.40, 195,687.57 and 77,274.21 is: 106,637.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,804.40 : 195,687.57 = 77,274.21 : x
  2. Step 2: Convert to fraction form
    141,804.40/195,687.57 = 77,274.21/x
  3. Step 3: Cross multiply
    141,804.40x = 195,687.57 × 77,274.21
  4. Step 4: Simplify right side
    141,804.40x = 15,121,602,378.57
  5. Step 5: Solve for x
    x = 15,121,602,378.57/141,804.40
  6. Step 6: Final answer
    x = 106,637.05

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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.