Home / 169,186.50-253,779.75-58,378.50

Finding the Fourth Proportional to 169,186.50, 253,779.75 and 58,378.50

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Solution

The fourth proportional to 169,186.50, 253,779.75 and 58,378.50 is: 87,567.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,186.50 : 253,779.75 = 58,378.50 : x
  2. Step 2: Convert to fraction form
    169,186.50/253,779.75 = 58,378.50/x
  3. Step 3: Cross multiply
    169,186.50x = 253,779.75 × 58,378.50
  4. Step 4: Simplify right side
    169,186.50x = 14,815,281,135.38
  5. Step 5: Solve for x
    x = 14,815,281,135.38/169,186.50
  6. Step 6: Final answer
    x = 87,567.75

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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.