Home / 331,316.40-496,974.60-153,764.40

Finding the Fourth Proportional to 331,316.40, 496,974.60 and 153,764.40

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Solution

The fourth proportional to 331,316.40, 496,974.60 and 153,764.40 is: 230,646.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,316.40 : 496,974.60 = 153,764.40 : x
  2. Step 2: Convert to fraction form
    331,316.40/496,974.60 = 153,764.40/x
  3. Step 3: Cross multiply
    331,316.40x = 496,974.60 × 153,764.40
  4. Step 4: Simplify right side
    331,316.40x = 76,417,001,184.24
  5. Step 5: Solve for x
    x = 76,417,001,184.24/331,316.40
  6. Step 6: Final answer
    x = 230,646.60

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1.5x scale

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.