Home / 198,472.24-297,598.80-103,465.36

Finding the Fourth Proportional to 198,472.24, 297,598.80 and 103,465.36

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Solution

The fourth proportional to 198,472.24, 297,598.80 and 103,465.36 is: 155,140.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,472.24 : 297,598.80 = 103,465.36 : x
  2. Step 2: Convert to fraction form
    198,472.24/297,598.80 = 103,465.36/x
  3. Step 3: Cross multiply
    198,472.24x = 297,598.80 × 103,465.36
  4. Step 4: Simplify right side
    198,472.24x = 30,791,166,977.57
  5. Step 5: Solve for x
    x = 30,791,166,977.57/198,472.24
  6. Step 6: Final answer
    x = 155,140.93

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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.