Home / 131,852.58-181,957.43-71,423.22

Finding the Fourth Proportional to 131,852.58, 181,957.43 and 71,423.22

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Solution

The fourth proportional to 131,852.58, 181,957.43 and 71,423.22 is: 98,564.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,852.58 : 181,957.43 = 71,423.22 : x
  2. Step 2: Convert to fraction form
    131,852.58/181,957.43 = 71,423.22/x
  3. Step 3: Cross multiply
    131,852.58x = 181,957.43 × 71,423.22
  4. Step 4: Simplify right side
    131,852.58x = 12,995,985,196.41
  5. Step 5: Solve for x
    x = 12,995,985,196.41/131,852.58
  6. Step 6: Final answer
    x = 98,564.51

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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.