Home / 130,899.84-196,356.24-37,419.36

Finding the Fourth Proportional to 130,899.84, 196,356.24 and 37,419.36

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Solution

The fourth proportional to 130,899.84, 196,356.24 and 37,419.36 is: 56,130.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,899.84 : 196,356.24 = 37,419.36 : x
  2. Step 2: Convert to fraction form
    130,899.84/196,356.24 = 37,419.36/x
  3. Step 3: Cross multiply
    130,899.84x = 196,356.24 × 37,419.36
  4. Step 4: Simplify right side
    130,899.84x = 7,347,524,832.81
  5. Step 5: Solve for x
    x = 7,347,524,832.81/130,899.84
  6. Step 6: Final answer
    x = 56,130.89

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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.