Home / 349,309.02-523,967.16-191,451.36

Finding the Fourth Proportional to 349,309.02, 523,967.16 and 191,451.36

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Solution

The fourth proportional to 349,309.02, 523,967.16 and 191,451.36 is: 287,179.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,309.02 : 523,967.16 = 191,451.36 : x
  2. Step 2: Convert to fraction form
    349,309.02/523,967.16 = 191,451.36/x
  3. Step 3: Cross multiply
    349,309.02x = 523,967.16 × 191,451.36
  4. Step 4: Simplify right side
    349,309.02x = 100,314,225,377.34
  5. Step 5: Solve for x
    x = 100,314,225,377.34/349,309.02
  6. Step 6: Final answer
    x = 287,179.03

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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.