Home / 264,955.04-397,437.20-75,420.32

Finding the Fourth Proportional to 264,955.04, 397,437.20 and 75,420.32

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Solution

The fourth proportional to 264,955.04, 397,437.20 and 75,420.32 is: 113,131.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,955.04 : 397,437.20 = 75,420.32 : x
  2. Step 2: Convert to fraction form
    264,955.04/397,437.20 = 75,420.32/x
  3. Step 3: Cross multiply
    264,955.04x = 397,437.20 × 75,420.32
  4. Step 4: Simplify right side
    264,955.04x = 29,974,840,803.90
  5. Step 5: Solve for x
    x = 29,974,840,803.90/264,955.04
  6. Step 6: Final answer
    x = 113,131.80

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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.