Home / 201,580.32-302,148.96-83,187.60

Finding the Fourth Proportional to 201,580.32, 302,148.96 and 83,187.60

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Solution

The fourth proportional to 201,580.32, 302,148.96 and 83,187.60 is: 124,689.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,580.32 : 302,148.96 = 83,187.60 : x
  2. Step 2: Convert to fraction form
    201,580.32/302,148.96 = 83,187.60/x
  3. Step 3: Cross multiply
    201,580.32x = 302,148.96 × 83,187.60
  4. Step 4: Simplify right side
    201,580.32x = 25,135,046,824.90
  5. Step 5: Solve for x
    x = 25,135,046,824.90/201,580.32
  6. Step 6: Final answer
    x = 124,689.98

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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.