Home / 115,537.80-173,306.70-99,791.40

Finding the Fourth Proportional to 115,537.80, 173,306.70 and 99,791.40

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Solution

The fourth proportional to 115,537.80, 173,306.70 and 99,791.40 is: 149,687.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,537.80 : 173,306.70 = 99,791.40 : x
  2. Step 2: Convert to fraction form
    115,537.80/173,306.70 = 99,791.40/x
  3. Step 3: Cross multiply
    115,537.80x = 173,306.70 × 99,791.40
  4. Step 4: Simplify right side
    115,537.80x = 17,294,518,222.38
  5. Step 5: Solve for x
    x = 17,294,518,222.38/115,537.80
  6. Step 6: Final answer
    x = 149,687.10

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1.5x scale

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.