Home / 130,109.30-195,031.00-73,830.53

Finding the Fourth Proportional to 130,109.30, 195,031.00 and 73,830.53

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Solution

The fourth proportional to 130,109.30, 195,031.00 and 73,830.53 is: 110,670.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,109.30 : 195,031.00 = 73,830.53 : x
  2. Step 2: Convert to fraction form
    130,109.30/195,031.00 = 73,830.53/x
  3. Step 3: Cross multiply
    130,109.30x = 195,031.00 × 73,830.53
  4. Step 4: Simplify right side
    130,109.30x = 14,399,242,399.43
  5. Step 5: Solve for x
    x = 14,399,242,399.43/130,109.30
  6. Step 6: Final answer
    x = 110,670.36

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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.