Home / 121,157.14-181,764.47-38,051.14

Finding the Fourth Proportional to 121,157.14, 181,764.47 and 38,051.14

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Solution

The fourth proportional to 121,157.14, 181,764.47 and 38,051.14 is: 57,085.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,157.14 : 181,764.47 = 38,051.14 : x
  2. Step 2: Convert to fraction form
    121,157.14/181,764.47 = 38,051.14/x
  3. Step 3: Cross multiply
    121,157.14x = 181,764.47 × 38,051.14
  4. Step 4: Simplify right side
    121,157.14x = 6,916,345,295.00
  5. Step 5: Solve for x
    x = 6,916,345,295.00/121,157.14
  6. Step 6: Final answer
    x = 57,085.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.