Home / 156,936.21-216,590.13-93,273.45

Finding the Fourth Proportional to 156,936.21, 216,590.13 and 93,273.45

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Solution

The fourth proportional to 156,936.21, 216,590.13 and 93,273.45 is: 128,728.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,936.21 : 216,590.13 = 93,273.45 : x
  2. Step 2: Convert to fraction form
    156,936.21/216,590.13 = 93,273.45/x
  3. Step 3: Cross multiply
    156,936.21x = 216,590.13 × 93,273.45
  4. Step 4: Simplify right side
    156,936.21x = 20,202,108,661.05
  5. Step 5: Solve for x
    x = 20,202,108,661.05/156,936.21
  6. Step 6: Final answer
    x = 128,728.15

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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.