Home / 156,142.12-215,480.04-95,746.06

Finding the Fourth Proportional to 156,142.12, 215,480.04 and 95,746.06

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Solution

The fourth proportional to 156,142.12, 215,480.04 and 95,746.06 is: 132,131.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,142.12 : 215,480.04 = 95,746.06 : x
  2. Step 2: Convert to fraction form
    156,142.12/215,480.04 = 95,746.06/x
  3. Step 3: Cross multiply
    156,142.12x = 215,480.04 × 95,746.06
  4. Step 4: Simplify right side
    156,142.12x = 20,631,364,838.64
  5. Step 5: Solve for x
    x = 20,631,364,838.64/156,142.12
  6. Step 6: Final answer
    x = 132,131.96

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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.