Home / 104,300.20-143,934.96-56,554.28

Finding the Fourth Proportional to 104,300.20, 143,934.96 and 56,554.28

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Solution

The fourth proportional to 104,300.20, 143,934.96 and 56,554.28 is: 78,045.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,300.20 : 143,934.96 = 56,554.28 : x
  2. Step 2: Convert to fraction form
    104,300.20/143,934.96 = 56,554.28/x
  3. Step 3: Cross multiply
    104,300.20x = 143,934.96 × 56,554.28
  4. Step 4: Simplify right side
    104,300.20x = 8,140,138,029.63
  5. Step 5: Solve for x
    x = 8,140,138,029.63/104,300.20
  6. Step 6: Final answer
    x = 78,045.28

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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.