Home / 131,703.96-181,750.08-71,273.28

Finding the Fourth Proportional to 131,703.96, 181,750.08 and 71,273.28

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Solution

The fourth proportional to 131,703.96, 181,750.08 and 71,273.28 is: 98,356.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,703.96 : 181,750.08 = 71,273.28 : x
  2. Step 2: Convert to fraction form
    131,703.96/181,750.08 = 71,273.28/x
  3. Step 3: Cross multiply
    131,703.96x = 181,750.08 × 71,273.28
  4. Step 4: Simplify right side
    131,703.96x = 12,953,924,341.86
  5. Step 5: Solve for x
    x = 12,953,924,341.86/131,703.96
  6. Step 6: Final answer
    x = 98,356.38

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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.