Home / 156,905.92-236,212.63-142,955.56

Finding the Fourth Proportional to 156,905.92, 236,212.63 and 142,955.56

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Solution

The fourth proportional to 156,905.92, 236,212.63 and 142,955.56 is: 215,211.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,905.92 : 236,212.63 = 142,955.56 : x
  2. Step 2: Convert to fraction form
    156,905.92/236,212.63 = 142,955.56/x
  3. Step 3: Cross multiply
    156,905.92x = 236,212.63 × 142,955.56
  4. Step 4: Simplify right side
    156,905.92x = 33,767,908,800.72
  5. Step 5: Solve for x
    x = 33,767,908,800.72/156,905.92
  6. Step 6: Final answer
    x = 215,211.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.