Home / 288,026.02-432,343.46-161,774.16

Finding the Fourth Proportional to 288,026.02, 432,343.46 and 161,774.16

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Solution

The fourth proportional to 288,026.02, 432,343.46 and 161,774.16 is: 242,832.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,026.02 : 432,343.46 = 161,774.16 : x
  2. Step 2: Convert to fraction form
    288,026.02/432,343.46 = 161,774.16/x
  3. Step 3: Cross multiply
    288,026.02x = 432,343.46 × 161,774.16
  4. Step 4: Simplify right side
    288,026.02x = 69,942,000,072.99
  5. Step 5: Solve for x
    x = 69,942,000,072.99/288,026.02
  6. Step 6: Final answer
    x = 242,832.23

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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.