Home / 134,428.42-201,767.10-67,915.36

Finding the Fourth Proportional to 134,428.42, 201,767.10 and 67,915.36

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Solution

The fourth proportional to 134,428.42, 201,767.10 and 67,915.36 is: 101,935.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,428.42 : 201,767.10 = 67,915.36 : x
  2. Step 2: Convert to fraction form
    134,428.42/201,767.10 = 67,915.36/x
  3. Step 3: Cross multiply
    134,428.42x = 201,767.10 × 67,915.36
  4. Step 4: Simplify right side
    134,428.42x = 13,703,085,232.66
  5. Step 5: Solve for x
    x = 13,703,085,232.66/134,428.42
  6. Step 6: Final answer
    x = 101,935.92

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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.