Home / 372,430.10-558,650.36-106,190.72

Finding the Fourth Proportional to 372,430.10, 558,650.36 and 106,190.72

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Solution

The fourth proportional to 372,430.10, 558,650.36 and 106,190.72 is: 159,287.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,430.10 : 558,650.36 = 106,190.72 : x
  2. Step 2: Convert to fraction form
    372,430.10/558,650.36 = 106,190.72/x
  3. Step 3: Cross multiply
    372,430.10x = 558,650.36 × 106,190.72
  4. Step 4: Simplify right side
    372,430.10x = 59,323,483,956.66
  5. Step 5: Solve for x
    x = 59,323,483,956.66/372,430.10
  6. Step 6: Final answer
    x = 159,287.57

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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.