Home / 372,903.12-559,354.26-92,420.37

Finding the Fourth Proportional to 372,903.12, 559,354.26 and 92,420.37

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Solution

The fourth proportional to 372,903.12, 559,354.26 and 92,420.37 is: 138,630.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,903.12 : 559,354.26 = 92,420.37 : x
  2. Step 2: Convert to fraction form
    372,903.12/559,354.26 = 92,420.37/x
  3. Step 3: Cross multiply
    372,903.12x = 559,354.26 × 92,420.37
  4. Step 4: Simplify right side
    372,903.12x = 51,695,727,670.28
  5. Step 5: Solve for x
    x = 51,695,727,670.28/372,903.12
  6. Step 6: Final answer
    x = 138,630.45

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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.