Home / 130,969.61-196,290.03-56,001.58

Finding the Fourth Proportional to 130,969.61, 196,290.03 and 56,001.58

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Solution

The fourth proportional to 130,969.61, 196,290.03 and 56,001.58 is: 83,932.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,969.61 : 196,290.03 = 56,001.58 : x
  2. Step 2: Convert to fraction form
    130,969.61/196,290.03 = 56,001.58/x
  3. Step 3: Cross multiply
    130,969.61x = 196,290.03 × 56,001.58
  4. Step 4: Simplify right side
    130,969.61x = 10,992,551,537.53
  5. Step 5: Solve for x
    x = 10,992,551,537.53/130,969.61
  6. Step 6: Final answer
    x = 83,932.08

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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.