Home / 190,353.80-262,589.98-129,079.27

Finding the Fourth Proportional to 190,353.80, 262,589.98 and 129,079.27

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Solution

The fourth proportional to 190,353.80, 262,589.98 and 129,079.27 is: 178,062.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,353.80 : 262,589.98 = 129,079.27 : x
  2. Step 2: Convert to fraction form
    190,353.80/262,589.98 = 129,079.27/x
  3. Step 3: Cross multiply
    190,353.80x = 262,589.98 × 129,079.27
  4. Step 4: Simplify right side
    190,353.80x = 33,894,922,927.71
  5. Step 5: Solve for x
    x = 33,894,922,927.71/190,353.80
  6. Step 6: Final answer
    x = 178,062.76

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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.