Home / 166,343.86-249,068.67-126,712.18

Finding the Fourth Proportional to 166,343.86, 249,068.67 and 126,712.18

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Solution

The fourth proportional to 166,343.86, 249,068.67 and 126,712.18 is: 189,727.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,343.86 : 249,068.67 = 126,712.18 : x
  2. Step 2: Convert to fraction form
    166,343.86/249,068.67 = 126,712.18/x
  3. Step 3: Cross multiply
    166,343.86x = 249,068.67 × 126,712.18
  4. Step 4: Simplify right side
    166,343.86x = 31,560,034,145.40
  5. Step 5: Solve for x
    x = 31,560,034,145.40/166,343.86
  6. Step 6: Final answer
    x = 189,727.68

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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.