Home / 104,255.29-143,872.56-56,508.59

Finding the Fourth Proportional to 104,255.29, 143,872.56 and 56,508.59

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Solution

The fourth proportional to 104,255.29, 143,872.56 and 56,508.59 is: 77,982.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,255.29 : 143,872.56 = 56,508.59 : x
  2. Step 2: Convert to fraction form
    104,255.29/143,872.56 = 56,508.59/x
  3. Step 3: Cross multiply
    104,255.29x = 143,872.56 × 56,508.59
  4. Step 4: Simplify right side
    104,255.29x = 8,130,035,505.29
  5. Step 5: Solve for x
    x = 8,130,035,505.29/104,255.29
  6. Step 6: Final answer
    x = 77,982.00

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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.