Home / 189,003.07-283,406.18-89,136.45

Finding the Fourth Proportional to 189,003.07, 283,406.18 and 89,136.45

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Solution

The fourth proportional to 189,003.07, 283,406.18 and 89,136.45 is: 133,658.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,003.07 : 283,406.18 = 89,136.45 : x
  2. Step 2: Convert to fraction form
    189,003.07/283,406.18 = 89,136.45/x
  3. Step 3: Cross multiply
    189,003.07x = 283,406.18 × 89,136.45
  4. Step 4: Simplify right side
    189,003.07x = 25,261,820,347.58
  5. Step 5: Solve for x
    x = 25,261,820,347.58/189,003.07
  6. Step 6: Final answer
    x = 133,658.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.