Home / 116,877.72-175,115.14-91,283.67

Finding the Fourth Proportional to 116,877.72, 175,115.14 and 91,283.67

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Solution

The fourth proportional to 116,877.72, 175,115.14 and 91,283.67 is: 136,768.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,877.72 : 175,115.14 = 91,283.67 : x
  2. Step 2: Convert to fraction form
    116,877.72/175,115.14 = 91,283.67/x
  3. Step 3: Cross multiply
    116,877.72x = 175,115.14 × 91,283.67
  4. Step 4: Simplify right side
    116,877.72x = 15,985,152,926.55
  5. Step 5: Solve for x
    x = 15,985,152,926.55/116,877.72
  6. Step 6: Final answer
    x = 136,768.18

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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.