Home / 189,064.33-283,641.75-54,130.28

Finding the Fourth Proportional to 189,064.33, 283,641.75 and 54,130.28

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Solution

The fourth proportional to 189,064.33, 283,641.75 and 54,130.28 is: 81,208.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,064.33 : 283,641.75 = 54,130.28 : x
  2. Step 2: Convert to fraction form
    189,064.33/283,641.75 = 54,130.28/x
  3. Step 3: Cross multiply
    189,064.33x = 283,641.75 × 54,130.28
  4. Step 4: Simplify right side
    189,064.33x = 15,353,605,928.98
  5. Step 5: Solve for x
    x = 15,353,605,928.98/189,064.33
  6. Step 6: Final answer
    x = 81,208.37

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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.