Home / 130,247.60-179,749.26-72,886.44

Finding the Fourth Proportional to 130,247.60, 179,749.26 and 72,886.44

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Solution

The fourth proportional to 130,247.60, 179,749.26 and 72,886.44 is: 100,587.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,247.60 : 179,749.26 = 72,886.44 : x
  2. Step 2: Convert to fraction form
    130,247.60/179,749.26 = 72,886.44/x
  3. Step 3: Cross multiply
    130,247.60x = 179,749.26 × 72,886.44
  4. Step 4: Simplify right side
    130,247.60x = 13,101,283,654.03
  5. Step 5: Solve for x
    x = 13,101,283,654.03/130,247.60
  6. Step 6: Final answer
    x = 100,587.53

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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.