Home / 121,305.17-181,985.45-37,077.32

Finding the Fourth Proportional to 121,305.17, 181,985.45 and 37,077.32

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Solution

The fourth proportional to 121,305.17, 181,985.45 and 37,077.32 is: 55,624.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,305.17 : 181,985.45 = 37,077.32 : x
  2. Step 2: Convert to fraction form
    121,305.17/181,985.45 = 37,077.32/x
  3. Step 3: Cross multiply
    121,305.17x = 181,985.45 × 37,077.32
  4. Step 4: Simplify right side
    121,305.17x = 6,747,532,764.99
  5. Step 5: Solve for x
    x = 6,747,532,764.99/121,305.17
  6. Step 6: Final answer
    x = 55,624.45

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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.