Home / 157,676.32-217,591.62-86,055.76

Finding the Fourth Proportional to 157,676.32, 217,591.62 and 86,055.76

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Solution

The fourth proportional to 157,676.32, 217,591.62 and 86,055.76 is: 118,756.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,676.32 : 217,591.62 = 86,055.76 : x
  2. Step 2: Convert to fraction form
    157,676.32/217,591.62 = 86,055.76/x
  3. Step 3: Cross multiply
    157,676.32x = 217,591.62 × 86,055.76
  4. Step 4: Simplify right side
    157,676.32x = 18,725,012,228.73
  5. Step 5: Solve for x
    x = 18,725,012,228.73/157,676.32
  6. Step 6: Final answer
    x = 118,756.02

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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.