Home / 372,543.91-514,096.30-211,389.36

Finding the Fourth Proportional to 372,543.91, 514,096.30 and 211,389.36

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Solution

The fourth proportional to 372,543.91, 514,096.30 and 211,389.36 is: 291,709.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,543.91 : 514,096.30 = 211,389.36 : x
  2. Step 2: Convert to fraction form
    372,543.91/514,096.30 = 211,389.36/x
  3. Step 3: Cross multiply
    372,543.91x = 514,096.30 × 211,389.36
  4. Step 4: Simplify right side
    372,543.91x = 108,674,487,835.37
  5. Step 5: Solve for x
    x = 108,674,487,835.37/372,543.91
  6. Step 6: Final answer
    x = 291,709.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.