Home / 156,628.41-216,147.07-88,644.14

Finding the Fourth Proportional to 156,628.41, 216,147.07 and 88,644.14

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Solution

The fourth proportional to 156,628.41, 216,147.07 and 88,644.14 is: 122,328.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,628.41 : 216,147.07 = 88,644.14 : x
  2. Step 2: Convert to fraction form
    156,628.41/216,147.07 = 88,644.14/x
  3. Step 3: Cross multiply
    156,628.41x = 216,147.07 × 88,644.14
  4. Step 4: Simplify right side
    156,628.41x = 19,160,171,133.67
  5. Step 5: Solve for x
    x = 19,160,171,133.67/156,628.41
  6. Step 6: Final answer
    x = 122,328.84

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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.