Home / 216,031.40-324,047.10-132,050.60

Finding the Fourth Proportional to 216,031.40, 324,047.10 and 132,050.60

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Solution

The fourth proportional to 216,031.40, 324,047.10 and 132,050.60 is: 198,075.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,031.40 : 324,047.10 = 132,050.60 : x
  2. Step 2: Convert to fraction form
    216,031.40/324,047.10 = 132,050.60/x
  3. Step 3: Cross multiply
    216,031.40x = 324,047.10 × 132,050.60
  4. Step 4: Simplify right side
    216,031.40x = 42,790,613,983.26
  5. Step 5: Solve for x
    x = 42,790,613,983.26/216,031.40
  6. Step 6: Final answer
    x = 198,075.90

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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.