Home / 190,576.18-285,876.15-64,205.92

Finding the Fourth Proportional to 190,576.18, 285,876.15 and 64,205.92

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Solution

The fourth proportional to 190,576.18, 285,876.15 and 64,205.92 is: 96,312.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,576.18 : 285,876.15 = 64,205.92 : x
  2. Step 2: Convert to fraction form
    190,576.18/285,876.15 = 64,205.92/x
  3. Step 3: Cross multiply
    190,576.18x = 285,876.15 × 64,205.92
  4. Step 4: Simplify right side
    190,576.18x = 18,354,941,216.81
  5. Step 5: Solve for x
    x = 18,354,941,216.81/190,576.18
  6. Step 6: Final answer
    x = 96,312.88

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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.