Home / 104,252.64-143,868.12-56,505.60

Finding the Fourth Proportional to 104,252.64, 143,868.12 and 56,505.60

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Solution

The fourth proportional to 104,252.64, 143,868.12 and 56,505.60 is: 77,977.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,252.64 : 143,868.12 = 56,505.60 : x
  2. Step 2: Convert to fraction form
    104,252.64/143,868.12 = 56,505.60/x
  3. Step 3: Cross multiply
    104,252.64x = 143,868.12 × 56,505.60
  4. Step 4: Simplify right side
    104,252.64x = 8,129,354,441.47
  5. Step 5: Solve for x
    x = 8,129,354,441.47/104,252.64
  6. Step 6: Final answer
    x = 77,977.44

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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.