Home / 160,419.60-221,384.27-92,431.31

Finding the Fourth Proportional to 160,419.60, 221,384.27 and 92,431.31

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Solution

The fourth proportional to 160,419.60, 221,384.27 and 92,431.31 is: 127,558.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,419.60 : 221,384.27 = 92,431.31 : x
  2. Step 2: Convert to fraction form
    160,419.60/221,384.27 = 92,431.31/x
  3. Step 3: Cross multiply
    160,419.60x = 221,384.27 × 92,431.31
  4. Step 4: Simplify right side
    160,419.60x = 20,462,837,213.65
  5. Step 5: Solve for x
    x = 20,462,837,213.65/160,419.60
  6. Step 6: Final answer
    x = 127,558.21

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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.