Home / 133,038.36-199,637.28-53,062.20

Finding the Fourth Proportional to 133,038.36, 199,637.28 and 53,062.20

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Solution

The fourth proportional to 133,038.36, 199,637.28 and 53,062.20 is: 79,625.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,038.36 : 199,637.28 = 53,062.20 : x
  2. Step 2: Convert to fraction form
    133,038.36/199,637.28 = 53,062.20/x
  3. Step 3: Cross multiply
    133,038.36x = 199,637.28 × 53,062.20
  4. Step 4: Simplify right side
    133,038.36x = 10,593,193,278.82
  5. Step 5: Solve for x
    x = 10,593,193,278.82/133,038.36
  6. Step 6: Final answer
    x = 79,625.10

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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.