Home / 152,882.35-211,077.56-99,320.02

Finding the Fourth Proportional to 152,882.35, 211,077.56 and 99,320.02

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Solution

The fourth proportional to 152,882.35, 211,077.56 and 99,320.02 is: 137,126.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,882.35 : 211,077.56 = 99,320.02 : x
  2. Step 2: Convert to fraction form
    152,882.35/211,077.56 = 99,320.02/x
  3. Step 3: Cross multiply
    152,882.35x = 211,077.56 × 99,320.02
  4. Step 4: Simplify right side
    152,882.35x = 20,964,227,201.36
  5. Step 5: Solve for x
    x = 20,964,227,201.36/152,882.35
  6. Step 6: Final answer
    x = 137,126.54

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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.