Home / 251,639.75-377,459.63-64,651.25

Finding the Fourth Proportional to 251,639.75, 377,459.63 and 64,651.25

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Solution

The fourth proportional to 251,639.75, 377,459.63 and 64,651.25 is: 96,976.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,639.75 : 377,459.63 = 64,651.25 : x
  2. Step 2: Convert to fraction form
    251,639.75/377,459.63 = 64,651.25/x
  3. Step 3: Cross multiply
    251,639.75x = 377,459.63 × 64,651.25
  4. Step 4: Simplify right side
    251,639.75x = 24,403,236,904.04
  5. Step 5: Solve for x
    x = 24,403,236,904.04/251,639.75
  6. Step 6: Final answer
    x = 96,976.88

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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.