Home / 146,188.77-201,738.30-81,658.89

Finding the Fourth Proportional to 146,188.77, 201,738.30 and 81,658.89

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Solution

The fourth proportional to 146,188.77, 201,738.30 and 81,658.89 is: 112,688.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,188.77 : 201,738.30 = 81,658.89 : x
  2. Step 2: Convert to fraction form
    146,188.77/201,738.30 = 81,658.89/x
  3. Step 3: Cross multiply
    146,188.77x = 201,738.30 × 81,658.89
  4. Step 4: Simplify right side
    146,188.77x = 16,473,725,648.49
  5. Step 5: Solve for x
    x = 16,473,725,648.49/146,188.77
  6. Step 6: Final answer
    x = 112,688.04

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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.