Home / 272,723.90-376,385.13-151,865.15

Finding the Fourth Proportional to 272,723.90, 376,385.13 and 151,865.15

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Solution

The fourth proportional to 272,723.90, 376,385.13 and 151,865.15 is: 209,588.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,723.90 : 376,385.13 = 151,865.15 : x
  2. Step 2: Convert to fraction form
    272,723.90/376,385.13 = 151,865.15/x
  3. Step 3: Cross multiply
    272,723.90x = 376,385.13 × 151,865.15
  4. Step 4: Simplify right side
    272,723.90x = 57,159,782,343.29
  5. Step 5: Solve for x
    x = 57,159,782,343.29/272,723.90
  6. Step 6: Final answer
    x = 209,588.46

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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.