Home / 166,267.78-249,401.67-61,041.22

Finding the Fourth Proportional to 166,267.78, 249,401.67 and 61,041.22

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Solution

The fourth proportional to 166,267.78, 249,401.67 and 61,041.22 is: 91,561.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,267.78 : 249,401.67 = 61,041.22 : x
  2. Step 2: Convert to fraction form
    166,267.78/249,401.67 = 61,041.22/x
  3. Step 3: Cross multiply
    166,267.78x = 249,401.67 × 61,041.22
  4. Step 4: Simplify right side
    166,267.78x = 15,223,782,206.84
  5. Step 5: Solve for x
    x = 15,223,782,206.84/166,267.78
  6. Step 6: Final answer
    x = 91,561.83

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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.