Home / 372,499.05-558,748.58-136,011.45

Finding the Fourth Proportional to 372,499.05, 558,748.58 and 136,011.45

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Solution

The fourth proportional to 372,499.05, 558,748.58 and 136,011.45 is: 204,017.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,499.05 : 558,748.58 = 136,011.45 : x
  2. Step 2: Convert to fraction form
    372,499.05/558,748.58 = 136,011.45/x
  3. Step 3: Cross multiply
    372,499.05x = 558,748.58 × 136,011.45
  4. Step 4: Simplify right side
    372,499.05x = 75,996,203,871.18
  5. Step 5: Solve for x
    x = 75,996,203,871.18/372,499.05
  6. Step 6: Final answer
    x = 204,017.18

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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.