Home / 234,723.41-323,909.57-139,172.93

Finding the Fourth Proportional to 234,723.41, 323,909.57 and 139,172.93

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Solution

The fourth proportional to 234,723.41, 323,909.57 and 139,172.93 is: 192,053.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,723.41 : 323,909.57 = 139,172.93 : x
  2. Step 2: Convert to fraction form
    234,723.41/323,909.57 = 139,172.93/x
  3. Step 3: Cross multiply
    234,723.41x = 323,909.57 × 139,172.93
  4. Step 4: Simplify right side
    234,723.41x = 45,079,443,216.08
  5. Step 5: Solve for x
    x = 45,079,443,216.08/234,723.41
  6. Step 6: Final answer
    x = 192,053.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.