Home / 104,178.83-143,766.27-56,432.25

Finding the Fourth Proportional to 104,178.83, 143,766.27 and 56,432.25

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Solution

The fourth proportional to 104,178.83, 143,766.27 and 56,432.25 is: 77,876.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,178.83 : 143,766.27 = 56,432.25 : x
  2. Step 2: Convert to fraction form
    104,178.83/143,766.27 = 56,432.25/x
  3. Step 3: Cross multiply
    104,178.83x = 143,766.27 × 56,432.25
  4. Step 4: Simplify right side
    104,178.83x = 8,113,054,090.21
  5. Step 5: Solve for x
    x = 8,113,054,090.21/104,178.83
  6. Step 6: Final answer
    x = 77,876.23

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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.