Home / 189,759.61-284,686.13-133,709.17

Finding the Fourth Proportional to 189,759.61, 284,686.13 and 133,709.17

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Solution

The fourth proportional to 189,759.61, 284,686.13 and 133,709.17 is: 200,596.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,759.61 : 284,686.13 = 133,709.17 : x
  2. Step 2: Convert to fraction form
    189,759.61/284,686.13 = 133,709.17/x
  3. Step 3: Cross multiply
    189,759.61x = 284,686.13 × 133,709.17
  4. Step 4: Simplify right side
    189,759.61x = 38,065,146,152.81
  5. Step 5: Solve for x
    x = 38,065,146,152.81/189,759.61
  6. Step 6: Final answer
    x = 200,596.67

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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.