Home / 188,938.56-283,341.04-55,783.20

Finding the Fourth Proportional to 188,938.56, 283,341.04 and 55,783.20

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Solution

The fourth proportional to 188,938.56, 283,341.04 and 55,783.20 is: 83,655.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,938.56 : 283,341.04 = 55,783.20 : x
  2. Step 2: Convert to fraction form
    188,938.56/283,341.04 = 55,783.20/x
  3. Step 3: Cross multiply
    188,938.56x = 283,341.04 × 55,783.20
  4. Step 4: Simplify right side
    188,938.56x = 15,805,669,902.53
  5. Step 5: Solve for x
    x = 15,805,669,902.53/188,938.56
  6. Step 6: Final answer
    x = 83,655.08

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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.