Home / 156,062.88-233,995.95-85,991.40

Finding the Fourth Proportional to 156,062.88, 233,995.95 and 85,991.40

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Solution

The fourth proportional to 156,062.88, 233,995.95 and 85,991.40 is: 128,932.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,062.88 : 233,995.95 = 85,991.40 : x
  2. Step 2: Convert to fraction form
    156,062.88/233,995.95 = 85,991.40/x
  3. Step 3: Cross multiply
    156,062.88x = 233,995.95 × 85,991.40
  4. Step 4: Simplify right side
    156,062.88x = 20,121,639,334.83
  5. Step 5: Solve for x
    x = 20,121,639,334.83/156,062.88
  6. Step 6: Final answer
    x = 128,932.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.