Home / 130,934.48-180,706.44-79,936.52

Finding the Fourth Proportional to 130,934.48, 180,706.44 and 79,936.52

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Solution

The fourth proportional to 130,934.48, 180,706.44 and 79,936.52 is: 110,322.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,934.48 : 180,706.44 = 79,936.52 : x
  2. Step 2: Convert to fraction form
    130,934.48/180,706.44 = 79,936.52/x
  3. Step 3: Cross multiply
    130,934.48x = 180,706.44 × 79,936.52
  4. Step 4: Simplify right side
    130,934.48x = 14,445,043,955.19
  5. Step 5: Solve for x
    x = 14,445,043,955.19/130,934.48
  6. Step 6: Final answer
    x = 110,322.69

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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.