Home / 130,411.04-195,720.24-111,907.40

Finding the Fourth Proportional to 130,411.04, 195,720.24 and 111,907.40

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Solution

The fourth proportional to 130,411.04, 195,720.24 and 111,907.40 is: 167,950.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,411.04 : 195,720.24 = 111,907.40 : x
  2. Step 2: Convert to fraction form
    130,411.04/195,720.24 = 111,907.40/x
  3. Step 3: Cross multiply
    130,411.04x = 195,720.24 × 111,907.40
  4. Step 4: Simplify right side
    130,411.04x = 21,902,543,185.78
  5. Step 5: Solve for x
    x = 21,902,543,185.78/130,411.04
  6. Step 6: Final answer
    x = 167,950.07

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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.