Home / 201,427.18-301,868.60-76,700.14

Finding the Fourth Proportional to 201,427.18, 301,868.60 and 76,700.14

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Solution

The fourth proportional to 201,427.18, 301,868.60 and 76,700.14 is: 114,946.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,427.18 : 301,868.60 = 76,700.14 : x
  2. Step 2: Convert to fraction form
    201,427.18/301,868.60 = 76,700.14/x
  3. Step 3: Cross multiply
    201,427.18x = 301,868.60 × 76,700.14
  4. Step 4: Simplify right side
    201,427.18x = 23,153,363,881.60
  5. Step 5: Solve for x
    x = 23,153,363,881.60/201,427.18
  6. Step 6: Final answer
    x = 114,946.57

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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.