Home / 104,403.20-144,076.51-56,656.55

Finding the Fourth Proportional to 104,403.20, 144,076.51 and 56,656.55

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Solution

The fourth proportional to 104,403.20, 144,076.51 and 56,656.55 is: 78,186.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,403.20 : 144,076.51 = 56,656.55 : x
  2. Step 2: Convert to fraction form
    104,403.20/144,076.51 = 56,656.55/x
  3. Step 3: Cross multiply
    104,403.20x = 144,076.51 × 56,656.55
  4. Step 4: Simplify right side
    104,403.20x = 8,162,878,320.64
  5. Step 5: Solve for x
    x = 8,162,878,320.64/104,403.20
  6. Step 6: Final answer
    x = 78,186.09

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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.