Home / 131,980.48-181,888.80-93,741.68

Finding the Fourth Proportional to 131,980.48, 181,888.80 and 93,741.68

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Solution

The fourth proportional to 131,980.48, 181,888.80 and 93,741.68 is: 129,190.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,980.48 : 181,888.80 = 93,741.68 : x
  2. Step 2: Convert to fraction form
    131,980.48/181,888.80 = 93,741.68/x
  3. Step 3: Cross multiply
    131,980.48x = 181,888.80 × 93,741.68
  4. Step 4: Simplify right side
    131,980.48x = 17,050,561,685.18
  5. Step 5: Solve for x
    x = 17,050,561,685.18/131,980.48
  6. Step 6: Final answer
    x = 129,190.03

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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.