Home / 198,333.34-273,672.45-116,665.29

Finding the Fourth Proportional to 198,333.34, 273,672.45 and 116,665.29

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Solution

The fourth proportional to 198,333.34, 273,672.45 and 116,665.29 is: 160,981.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,333.34 : 273,672.45 = 116,665.29 : x
  2. Step 2: Convert to fraction form
    198,333.34/273,672.45 = 116,665.29/x
  3. Step 3: Cross multiply
    198,333.34x = 273,672.45 × 116,665.29
  4. Step 4: Simplify right side
    198,333.34x = 31,928,075,744.26
  5. Step 5: Solve for x
    x = 31,928,075,744.26/198,333.34
  6. Step 6: Final answer
    x = 160,981.89

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1.5x scale

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.