Home / 347,673.20-521,567.40-148,089.20

Finding the Fourth Proportional to 347,673.20, 521,567.40 and 148,089.20

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Solution

The fourth proportional to 347,673.20, 521,567.40 and 148,089.20 is: 222,158.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,673.20 : 521,567.40 = 148,089.20 : x
  2. Step 2: Convert to fraction form
    347,673.20/521,567.40 = 148,089.20/x
  3. Step 3: Cross multiply
    347,673.20x = 521,567.40 × 148,089.20
  4. Step 4: Simplify right side
    347,673.20x = 77,238,499,012.08
  5. Step 5: Solve for x
    x = 77,238,499,012.08/347,673.20
  6. Step 6: Final answer
    x = 222,158.33

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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.