Home / 166,021.04-249,063.55-53,729.12

Finding the Fourth Proportional to 166,021.04, 249,063.55 and 53,729.12

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Solution

The fourth proportional to 166,021.04, 249,063.55 and 53,729.12 is: 80,604.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,021.04 : 249,063.55 = 53,729.12 : x
  2. Step 2: Convert to fraction form
    166,021.04/249,063.55 = 53,729.12/x
  3. Step 3: Cross multiply
    166,021.04x = 249,063.55 × 53,729.12
  4. Step 4: Simplify right side
    166,021.04x = 13,381,963,985.94
  5. Step 5: Solve for x
    x = 13,381,963,985.94/166,021.04
  6. Step 6: Final answer
    x = 80,604.03

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1.5x scale

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.