Home / 142,595.36-214,280.78-76,082.48

Finding the Fourth Proportional to 142,595.36, 214,280.78 and 76,082.48

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Solution

The fourth proportional to 142,595.36, 214,280.78 and 76,082.48 is: 114,330.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,595.36 : 214,280.78 = 76,082.48 : x
  2. Step 2: Convert to fraction form
    142,595.36/214,280.78 = 76,082.48/x
  3. Step 3: Cross multiply
    142,595.36x = 214,280.78 × 76,082.48
  4. Step 4: Simplify right side
    142,595.36x = 16,303,013,158.73
  5. Step 5: Solve for x
    x = 16,303,013,158.73/142,595.36
  6. Step 6: Final answer
    x = 114,330.60

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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.