Home / 119,597.72-179,437.28-75,172.46

Finding the Fourth Proportional to 119,597.72, 179,437.28 and 75,172.46

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Solution

The fourth proportional to 119,597.72, 179,437.28 and 75,172.46 is: 112,784.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,597.72 : 179,437.28 = 75,172.46 : x
  2. Step 2: Convert to fraction form
    119,597.72/179,437.28 = 75,172.46/x
  3. Step 3: Cross multiply
    119,597.72x = 179,437.28 × 75,172.46
  4. Step 4: Simplify right side
    119,597.72x = 13,488,740,480.26
  5. Step 5: Solve for x
    x = 13,488,740,480.26/119,597.72
  6. Step 6: Final answer
    x = 112,784.27

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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.