Home / 330,232.02-455,721.94-187,019.94

Finding the Fourth Proportional to 330,232.02, 455,721.94 and 187,019.94

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Solution

The fourth proportional to 330,232.02, 455,721.94 and 187,019.94 is: 258,088.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,232.02 : 455,721.94 = 187,019.94 : x
  2. Step 2: Convert to fraction form
    330,232.02/455,721.94 = 187,019.94/x
  3. Step 3: Cross multiply
    330,232.02x = 455,721.94 × 187,019.94
  4. Step 4: Simplify right side
    330,232.02x = 85,229,089,875.48
  5. Step 5: Solve for x
    x = 85,229,089,875.48/330,232.02
  6. Step 6: Final answer
    x = 258,088.51

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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.