Home / 162,516.11-224,283.69-90,902.79

Finding the Fourth Proportional to 162,516.11, 224,283.69 and 90,902.79

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Solution

The fourth proportional to 162,516.11, 224,283.69 and 90,902.79 is: 125,452.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,516.11 : 224,283.69 = 90,902.79 : x
  2. Step 2: Convert to fraction form
    162,516.11/224,283.69 = 90,902.79/x
  3. Step 3: Cross multiply
    162,516.11x = 224,283.69 × 90,902.79
  4. Step 4: Simplify right side
    162,516.11x = 20,388,013,172.50
  5. Step 5: Solve for x
    x = 20,388,013,172.50/162,516.11
  6. Step 6: Final answer
    x = 125,452.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.