Home / 156,436.43-215,866.29-96,009.62

Finding the Fourth Proportional to 156,436.43, 215,866.29 and 96,009.62

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Solution

The fourth proportional to 156,436.43, 215,866.29 and 96,009.62 is: 132,483.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,436.43 : 215,866.29 = 96,009.62 : x
  2. Step 2: Convert to fraction form
    156,436.43/215,866.29 = 96,009.62/x
  3. Step 3: Cross multiply
    156,436.43x = 215,866.29 × 96,009.62
  4. Step 4: Simplify right side
    156,436.43x = 20,725,239,934.04
  5. Step 5: Solve for x
    x = 20,725,239,934.04/156,436.43
  6. Step 6: Final answer
    x = 132,483.46

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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.