Home / 156,273.40-215,657.82-84,653.20

Finding the Fourth Proportional to 156,273.40, 215,657.82 and 84,653.20

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Solution

The fourth proportional to 156,273.40, 215,657.82 and 84,653.20 is: 116,821.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,273.40 : 215,657.82 = 84,653.20 : x
  2. Step 2: Convert to fraction form
    156,273.40/215,657.82 = 84,653.20/x
  3. Step 3: Cross multiply
    156,273.40x = 215,657.82 × 84,653.20
  4. Step 4: Simplify right side
    156,273.40x = 18,256,124,568.02
  5. Step 5: Solve for x
    x = 18,256,124,568.02/156,273.40
  6. Step 6: Final answer
    x = 116,821.70

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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.