Home / 157,199.45-216,928.43-85,579.72

Finding the Fourth Proportional to 157,199.45, 216,928.43 and 85,579.72

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Solution

The fourth proportional to 157,199.45, 216,928.43 and 85,579.72 is: 118,096.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,199.45 : 216,928.43 = 85,579.72 : x
  2. Step 2: Convert to fraction form
    157,199.45/216,928.43 = 85,579.72/x
  3. Step 3: Cross multiply
    157,199.45x = 216,928.43 × 85,579.72
  4. Step 4: Simplify right side
    157,199.45x = 18,564,673,650.14
  5. Step 5: Solve for x
    x = 18,564,673,650.14/157,199.45
  6. Step 6: Final answer
    x = 118,096.31

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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.