Home / 372,110.10-558,165.15-214,208.70

Finding the Fourth Proportional to 372,110.10, 558,165.15 and 214,208.70

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Solution

The fourth proportional to 372,110.10, 558,165.15 and 214,208.70 is: 321,313.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,110.10 : 558,165.15 = 214,208.70 : x
  2. Step 2: Convert to fraction form
    372,110.10/558,165.15 = 214,208.70/x
  3. Step 3: Cross multiply
    372,110.10x = 558,165.15 × 214,208.70
  4. Step 4: Simplify right side
    372,110.10x = 119,563,831,166.81
  5. Step 5: Solve for x
    x = 119,563,831,166.81/372,110.10
  6. Step 6: Final answer
    x = 321,313.05

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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.