Home / 237,139.20-355,708.80-226,641.60

Finding the Fourth Proportional to 237,139.20, 355,708.80 and 226,641.60

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Solution

The fourth proportional to 237,139.20, 355,708.80 and 226,641.60 is: 339,962.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,139.20 : 355,708.80 = 226,641.60 : x
  2. Step 2: Convert to fraction form
    237,139.20/355,708.80 = 226,641.60/x
  3. Step 3: Cross multiply
    237,139.20x = 355,708.80 × 226,641.60
  4. Step 4: Simplify right side
    237,139.20x = 80,618,411,566.08
  5. Step 5: Solve for x
    x = 80,618,411,566.08/237,139.20
  6. Step 6: Final answer
    x = 339,962.40

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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.