Home / 331,001.21-496,113.02-153,132.50

Finding the Fourth Proportional to 331,001.21, 496,113.02 and 153,132.50

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Solution

The fourth proportional to 331,001.21, 496,113.02 and 153,132.50 is: 229,518.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,001.21 : 496,113.02 = 153,132.50 : x
  2. Step 2: Convert to fraction form
    331,001.21/496,113.02 = 153,132.50/x
  3. Step 3: Cross multiply
    331,001.21x = 496,113.02 × 153,132.50
  4. Step 4: Simplify right side
    331,001.21x = 75,971,028,084.02
  5. Step 5: Solve for x
    x = 75,971,028,084.02/331,001.21
  6. Step 6: Final answer
    x = 229,518.88

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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.