Home / 347,711.55-521,567.33-123,070.20

Finding the Fourth Proportional to 347,711.55, 521,567.33 and 123,070.20

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Solution

The fourth proportional to 347,711.55, 521,567.33 and 123,070.20 is: 184,605.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,711.55 : 521,567.33 = 123,070.20 : x
  2. Step 2: Convert to fraction form
    347,711.55/521,567.33 = 123,070.20/x
  3. Step 3: Cross multiply
    347,711.55x = 521,567.33 × 123,070.20
  4. Step 4: Simplify right side
    347,711.55x = 64,189,395,001.22
  5. Step 5: Solve for x
    x = 64,189,395,001.22/347,711.55
  6. Step 6: Final answer
    x = 184,605.30

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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.