Home / 157,669.28-217,584.32-86,050.88

Finding the Fourth Proportional to 157,669.28, 217,584.32 and 86,050.88

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Solution

The fourth proportional to 157,669.28, 217,584.32 and 86,050.88 is: 118,750.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,669.28 : 217,584.32 = 86,050.88 : x
  2. Step 2: Convert to fraction form
    157,669.28/217,584.32 = 86,050.88/x
  3. Step 3: Cross multiply
    157,669.28x = 217,584.32 × 86,050.88
  4. Step 4: Simplify right side
    157,669.28x = 18,723,322,210.20
  5. Step 5: Solve for x
    x = 18,723,322,210.20/157,669.28
  6. Step 6: Final answer
    x = 118,750.60

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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.