Home / 199,781.34-275,706.66-114,898.50

Finding the Fourth Proportional to 199,781.34, 275,706.66 and 114,898.50

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Solution

The fourth proportional to 199,781.34, 275,706.66 and 114,898.50 is: 158,564.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,781.34 : 275,706.66 = 114,898.50 : x
  2. Step 2: Convert to fraction form
    199,781.34/275,706.66 = 114,898.50/x
  3. Step 3: Cross multiply
    199,781.34x = 275,706.66 × 114,898.50
  4. Step 4: Simplify right side
    199,781.34x = 31,678,281,674.01
  5. Step 5: Solve for x
    x = 31,678,281,674.01/199,781.34
  6. Step 6: Final answer
    x = 158,564.77

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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.