Home / 309,835.89-464,744.11-170,470.53

Finding the Fourth Proportional to 309,835.89, 464,744.11 and 170,470.53

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Solution

The fourth proportional to 309,835.89, 464,744.11 and 170,470.53 is: 255,700.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,835.89 : 464,744.11 = 170,470.53 : x
  2. Step 2: Convert to fraction form
    309,835.89/464,744.11 = 170,470.53/x
  3. Step 3: Cross multiply
    309,835.89x = 464,744.11 × 170,470.53
  4. Step 4: Simplify right side
    309,835.89x = 79,225,174,746.08
  5. Step 5: Solve for x
    x = 79,225,174,746.08/309,835.89
  6. Step 6: Final answer
    x = 255,700.44

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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.