Home / 104,226.32-143,831.76-56,478.44

Finding the Fourth Proportional to 104,226.32, 143,831.76 and 56,478.44

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Solution

The fourth proportional to 104,226.32, 143,831.76 and 56,478.44 is: 77,939.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,226.32 : 143,831.76 = 56,478.44 : x
  2. Step 2: Convert to fraction form
    104,226.32/143,831.76 = 56,478.44/x
  3. Step 3: Cross multiply
    104,226.32x = 143,831.76 × 56,478.44
  4. Step 4: Simplify right side
    104,226.32x = 8,123,393,427.25
  5. Step 5: Solve for x
    x = 8,123,393,427.25/104,226.32
  6. Step 6: Final answer
    x = 77,939.94

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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.