Home / 131,523.30-181,503.48-71,095.08

Finding the Fourth Proportional to 131,523.30, 181,503.48 and 71,095.08

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Solution

The fourth proportional to 131,523.30, 181,503.48 and 71,095.08 is: 98,111.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,523.30 : 181,503.48 = 71,095.08 : x
  2. Step 2: Convert to fraction form
    131,523.30/181,503.48 = 71,095.08/x
  3. Step 3: Cross multiply
    131,523.30x = 181,503.48 × 71,095.08
  4. Step 4: Simplify right side
    131,523.30x = 12,904,004,430.88
  5. Step 5: Solve for x
    x = 12,904,004,430.88/131,523.30
  6. Step 6: Final answer
    x = 98,111.93

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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.