Home / 189,761.11-284,688.38-133,710.67

Finding the Fourth Proportional to 189,761.11, 284,688.38 and 133,710.67

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Solution

The fourth proportional to 189,761.11, 284,688.38 and 133,710.67 is: 200,598.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,761.11 : 284,688.38 = 133,710.67 : x
  2. Step 2: Convert to fraction form
    189,761.11/284,688.38 = 133,710.67/x
  3. Step 3: Cross multiply
    189,761.11x = 284,688.38 × 133,710.67
  4. Step 4: Simplify right side
    189,761.11x = 38,065,874,031.01
  5. Step 5: Solve for x
    x = 38,065,874,031.01/189,761.11
  6. Step 6: Final answer
    x = 200,598.92

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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.