Home / 156,059.43-215,362.76-88,079.26

Finding the Fourth Proportional to 156,059.43, 215,362.76 and 88,079.26

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Solution

The fourth proportional to 156,059.43, 215,362.76 and 88,079.26 is: 121,549.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,059.43 : 215,362.76 = 88,079.26 : x
  2. Step 2: Convert to fraction form
    156,059.43/215,362.76 = 88,079.26/x
  3. Step 3: Cross multiply
    156,059.43x = 215,362.76 × 88,079.26
  4. Step 4: Simplify right side
    156,059.43x = 18,968,992,532.36
  5. Step 5: Solve for x
    x = 18,968,992,532.36/156,059.43
  6. Step 6: Final answer
    x = 121,549.80

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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.