Home / 156,833.37-216,496.26-105,915.15

Finding the Fourth Proportional to 156,833.37, 216,496.26 and 105,915.15

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Solution

The fourth proportional to 156,833.37, 216,496.26 and 105,915.15 is: 146,207.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,833.37 : 216,496.26 = 105,915.15 : x
  2. Step 2: Convert to fraction form
    156,833.37/216,496.26 = 105,915.15/x
  3. Step 3: Cross multiply
    156,833.37x = 216,496.26 × 105,915.15
  4. Step 4: Simplify right side
    156,833.37x = 22,930,233,852.34
  5. Step 5: Solve for x
    x = 22,930,233,852.34/156,833.37
  6. Step 6: Final answer
    x = 146,207.62

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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.