Home / 189,196.28-283,786.20-47,038.60

Finding the Fourth Proportional to 189,196.28, 283,786.20 and 47,038.60

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Solution

The fourth proportional to 189,196.28, 283,786.20 and 47,038.60 is: 70,555.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,196.28 : 283,786.20 = 47,038.60 : x
  2. Step 2: Convert to fraction form
    189,196.28/283,786.20 = 47,038.60/x
  3. Step 3: Cross multiply
    189,196.28x = 283,786.20 × 47,038.60
  4. Step 4: Simplify right side
    189,196.28x = 13,348,905,547.32
  5. Step 5: Solve for x
    x = 13,348,905,547.32/189,196.28
  6. Step 6: Final answer
    x = 70,555.86

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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.