Home / 130,484.48-195,726.36-36,991.04

Finding the Fourth Proportional to 130,484.48, 195,726.36 and 36,991.04

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Solution

The fourth proportional to 130,484.48, 195,726.36 and 36,991.04 is: 55,486.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,484.48 : 195,726.36 = 36,991.04 : x
  2. Step 2: Convert to fraction form
    130,484.48/195,726.36 = 36,991.04/x
  3. Step 3: Cross multiply
    130,484.48x = 195,726.36 × 36,991.04
  4. Step 4: Simplify right side
    130,484.48x = 7,240,121,611.81
  5. Step 5: Solve for x
    x = 7,240,121,611.81/130,484.48
  6. Step 6: Final answer
    x = 55,486.46

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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.