Home / 119,975.22-165,526.47-72,211.14

Finding the Fourth Proportional to 119,975.22, 165,526.47 and 72,211.14

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Solution

The fourth proportional to 119,975.22, 165,526.47 and 72,211.14 is: 99,627.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,975.22 : 165,526.47 = 72,211.14 : x
  2. Step 2: Convert to fraction form
    119,975.22/165,526.47 = 72,211.14/x
  3. Step 3: Cross multiply
    119,975.22x = 165,526.47 × 72,211.14
  4. Step 4: Simplify right side
    119,975.22x = 11,952,855,098.88
  5. Step 5: Solve for x
    x = 11,952,855,098.88/119,975.22
  6. Step 6: Final answer
    x = 99,627.70

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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.