Home / 106,915.91-147,548.58-59,169.27

Finding the Fourth Proportional to 106,915.91, 147,548.58 and 59,169.27

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Solution

The fourth proportional to 106,915.91, 147,548.58 and 59,169.27 is: 81,656.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,915.91 : 147,548.58 = 59,169.27 : x
  2. Step 2: Convert to fraction form
    106,915.91/147,548.58 = 59,169.27/x
  3. Step 3: Cross multiply
    106,915.91x = 147,548.58 × 59,169.27
  4. Step 4: Simplify right side
    106,915.91x = 8,730,341,768.14
  5. Step 5: Solve for x
    x = 8,730,341,768.14/106,915.91
  6. Step 6: Final answer
    x = 81,656.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.