Home / 130,070.44-179,493.54-76,354.60

Finding the Fourth Proportional to 130,070.44, 179,493.54 and 76,354.60

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Solution

The fourth proportional to 130,070.44, 179,493.54 and 76,354.60 is: 105,367.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,070.44 : 179,493.54 = 76,354.60 : x
  2. Step 2: Convert to fraction form
    130,070.44/179,493.54 = 76,354.60/x
  3. Step 3: Cross multiply
    130,070.44x = 179,493.54 × 76,354.60
  4. Step 4: Simplify right side
    130,070.44x = 13,705,157,449.28
  5. Step 5: Solve for x
    x = 13,705,157,449.28/130,070.44
  6. Step 6: Final answer
    x = 105,367.20

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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.