Home / 199,401.04-275,166.72-118,786.81

Finding the Fourth Proportional to 199,401.04, 275,166.72 and 118,786.81

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Solution

The fourth proportional to 199,401.04, 275,166.72 and 118,786.81 is: 163,921.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,401.04 : 275,166.72 = 118,786.81 : x
  2. Step 2: Convert to fraction form
    199,401.04/275,166.72 = 118,786.81/x
  3. Step 3: Cross multiply
    199,401.04x = 275,166.72 × 118,786.81
  4. Step 4: Simplify right side
    199,401.04x = 32,686,176,886.96
  5. Step 5: Solve for x
    x = 32,686,176,886.96/199,401.04
  6. Step 6: Final answer
    x = 163,921.80

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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.