Home / 207,926.85-286,938.72-117,282.54

Finding the Fourth Proportional to 207,926.85, 286,938.72 and 117,282.54

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Solution

The fourth proportional to 207,926.85, 286,938.72 and 117,282.54 is: 161,849.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,926.85 : 286,938.72 = 117,282.54 : x
  2. Step 2: Convert to fraction form
    207,926.85/286,938.72 = 117,282.54/x
  3. Step 3: Cross multiply
    207,926.85x = 286,938.72 × 117,282.54
  4. Step 4: Simplify right side
    207,926.85x = 33,652,901,905.95
  5. Step 5: Solve for x
    x = 33,652,901,905.95/207,926.85
  6. Step 6: Final answer
    x = 161,849.72

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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.