Home / 131,795.94-181,877.56-71,365.30

Finding the Fourth Proportional to 131,795.94, 181,877.56 and 71,365.30

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Solution

The fourth proportional to 131,795.94, 181,877.56 and 71,365.30 is: 98,483.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,795.94 : 181,877.56 = 71,365.30 : x
  2. Step 2: Convert to fraction form
    131,795.94/181,877.56 = 71,365.30/x
  3. Step 3: Cross multiply
    131,795.94x = 181,877.56 × 71,365.30
  4. Step 4: Simplify right side
    131,795.94x = 12,979,746,632.67
  5. Step 5: Solve for x
    x = 12,979,746,632.67/131,795.94
  6. Step 6: Final answer
    x = 98,483.66

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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.