Home / 157,675.15-217,592.31-86,056.75

Finding the Fourth Proportional to 157,675.15, 217,592.31 and 86,056.75

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Solution

The fourth proportional to 157,675.15, 217,592.31 and 86,056.75 is: 118,758.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,675.15 : 217,592.31 = 86,056.75 : x
  2. Step 2: Convert to fraction form
    157,675.15/217,592.31 = 86,056.75/x
  3. Step 3: Cross multiply
    157,675.15x = 217,592.31 × 86,056.75
  4. Step 4: Simplify right side
    157,675.15x = 18,725,287,023.59
  5. Step 5: Solve for x
    x = 18,725,287,023.59/157,675.15
  6. Step 6: Final answer
    x = 118,758.64

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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.