Home / 134,384.45-201,701.40-67,871.28

Finding the Fourth Proportional to 134,384.45, 201,701.40 and 67,871.28

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Solution

The fourth proportional to 134,384.45, 201,701.40 and 67,871.28 is: 101,869.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,384.45 : 201,701.40 = 67,871.28 : x
  2. Step 2: Convert to fraction form
    134,384.45/201,701.40 = 67,871.28/x
  3. Step 3: Cross multiply
    134,384.45x = 201,701.40 × 67,871.28
  4. Step 4: Simplify right side
    134,384.45x = 13,689,732,195.79
  5. Step 5: Solve for x
    x = 13,689,732,195.79/134,384.45
  6. Step 6: Final answer
    x = 101,869.92

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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.