Home / 373,128.50-514,931.24-212,010.84

Finding the Fourth Proportional to 373,128.50, 514,931.24 and 212,010.84

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Solution

The fourth proportional to 373,128.50, 514,931.24 and 212,010.84 is: 292,582.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,128.50 : 514,931.24 = 212,010.84 : x
  2. Step 2: Convert to fraction form
    373,128.50/514,931.24 = 212,010.84/x
  3. Step 3: Cross multiply
    373,128.50x = 514,931.24 × 212,010.84
  4. Step 4: Simplify right side
    373,128.50x = 109,171,004,734.64
  5. Step 5: Solve for x
    x = 109,171,004,734.64/373,128.50
  6. Step 6: Final answer
    x = 292,582.86

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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.