Home / 166,430.21-249,620.69-61,224.57

Finding the Fourth Proportional to 166,430.21, 249,620.69 and 61,224.57

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Solution

The fourth proportional to 166,430.21, 249,620.69 and 61,224.57 is: 91,827.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,430.21 : 249,620.69 = 61,224.57 : x
  2. Step 2: Convert to fraction form
    166,430.21/249,620.69 = 61,224.57/x
  3. Step 3: Cross multiply
    166,430.21x = 249,620.69 × 61,224.57
  4. Step 4: Simplify right side
    166,430.21x = 15,282,919,102.23
  5. Step 5: Solve for x
    x = 15,282,919,102.23/166,430.21
  6. Step 6: Final answer
    x = 91,827.80

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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.