Home / 199,881.04-275,869.96-119,312.72

Finding the Fourth Proportional to 199,881.04, 275,869.96 and 119,312.72

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Solution

The fourth proportional to 199,881.04, 275,869.96 and 119,312.72 is: 164,671.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,881.04 : 275,869.96 = 119,312.72 : x
  2. Step 2: Convert to fraction form
    199,881.04/275,869.96 = 119,312.72/x
  3. Step 3: Cross multiply
    199,881.04x = 275,869.96 × 119,312.72
  4. Step 4: Simplify right side
    199,881.04x = 32,914,795,293.89
  5. Step 5: Solve for x
    x = 32,914,795,293.89/199,881.04
  6. Step 6: Final answer
    x = 164,671.92

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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.