Home / 130,617.84-195,550.11-117,111.90

Finding the Fourth Proportional to 130,617.84, 195,550.11 and 117,111.90

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Solution

The fourth proportional to 130,617.84, 195,550.11 and 117,111.90 is: 175,330.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,617.84 : 195,550.11 = 117,111.90 : x
  2. Step 2: Convert to fraction form
    130,617.84/195,550.11 = 117,111.90/x
  3. Step 3: Cross multiply
    130,617.84x = 195,550.11 × 117,111.90
  4. Step 4: Simplify right side
    130,617.84x = 22,901,244,927.31
  5. Step 5: Solve for x
    x = 22,901,244,927.31/130,617.84
  6. Step 6: Final answer
    x = 175,330.15

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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.