Home / 130,629.60-196,031.67-47,523.60

Finding the Fourth Proportional to 130,629.60, 196,031.67 and 47,523.60

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Solution

The fourth proportional to 130,629.60, 196,031.67 and 47,523.60 is: 71,317.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,629.60 : 196,031.67 = 47,523.60 : x
  2. Step 2: Convert to fraction form
    130,629.60/196,031.67 = 47,523.60/x
  3. Step 3: Cross multiply
    130,629.60x = 196,031.67 × 47,523.60
  4. Step 4: Simplify right side
    130,629.60x = 9,316,130,672.41
  5. Step 5: Solve for x
    x = 9,316,130,672.41/130,629.60
  6. Step 6: Final answer
    x = 71,317.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.