Home / 200,720.48-301,197.36-76,071.20

Finding the Fourth Proportional to 200,720.48, 301,197.36 and 76,071.20

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Solution

The fourth proportional to 200,720.48, 301,197.36 and 76,071.20 is: 114,151.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,720.48 : 301,197.36 = 76,071.20 : x
  2. Step 2: Convert to fraction form
    200,720.48/301,197.36 = 76,071.20/x
  3. Step 3: Cross multiply
    200,720.48x = 301,197.36 × 76,071.20
  4. Step 4: Simplify right side
    200,720.48x = 22,912,444,612.03
  5. Step 5: Solve for x
    x = 22,912,444,612.03/200,720.48
  6. Step 6: Final answer
    x = 114,151.01

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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.