Home / 190,516.28-285,821.87-134,465.76

Finding the Fourth Proportional to 190,516.28, 285,821.87 and 134,465.76

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Solution

The fourth proportional to 190,516.28, 285,821.87 and 134,465.76 is: 201,732.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,516.28 : 285,821.87 = 134,465.76 : x
  2. Step 2: Convert to fraction form
    190,516.28/285,821.87 = 134,465.76/x
  3. Step 3: Cross multiply
    190,516.28x = 285,821.87 × 134,465.76
  4. Step 4: Simplify right side
    190,516.28x = 38,433,254,301.84
  5. Step 5: Solve for x
    x = 38,433,254,301.84/190,516.28
  6. Step 6: Final answer
    x = 201,732.13

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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.