Home / 514,741.53-772,101.36-140,764.53

Finding the Fourth Proportional to 514,741.53, 772,101.36 and 140,764.53

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Solution

The fourth proportional to 514,741.53, 772,101.36 and 140,764.53 is: 211,143.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,741.53 : 772,101.36 = 140,764.53 : x
  2. Step 2: Convert to fraction form
    514,741.53/772,101.36 = 140,764.53/x
  3. Step 3: Cross multiply
    514,741.53x = 772,101.36 × 140,764.53
  4. Step 4: Simplify right side
    514,741.53x = 108,684,485,052.76
  5. Step 5: Solve for x
    x = 108,684,485,052.76/514,741.53
  6. Step 6: Final answer
    x = 211,143.80

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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.