Home / 104,226.23-143,832.32-56,479.16

Finding the Fourth Proportional to 104,226.23, 143,832.32 and 56,479.16

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Solution

The fourth proportional to 104,226.23, 143,832.32 and 56,479.16 is: 77,941.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,226.23 : 143,832.32 = 56,479.16 : x
  2. Step 2: Convert to fraction form
    104,226.23/143,832.32 = 56,479.16/x
  3. Step 3: Cross multiply
    104,226.23x = 143,832.32 × 56,479.16
  4. Step 4: Simplify right side
    104,226.23x = 8,123,528,614.45
  5. Step 5: Solve for x
    x = 8,123,528,614.45/104,226.23
  6. Step 6: Final answer
    x = 77,941.31

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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.