Home / 111,426.24-153,768.24-61,125.60

Finding the Fourth Proportional to 111,426.24, 153,768.24 and 61,125.60

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Solution

The fourth proportional to 111,426.24, 153,768.24 and 61,125.60 is: 84,353.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,426.24 : 153,768.24 = 61,125.60 : x
  2. Step 2: Convert to fraction form
    111,426.24/153,768.24 = 61,125.60/x
  3. Step 3: Cross multiply
    111,426.24x = 153,768.24 × 61,125.60
  4. Step 4: Simplify right side
    111,426.24x = 9,399,175,930.94
  5. Step 5: Solve for x
    x = 9,399,175,930.94/111,426.24
  6. Step 6: Final answer
    x = 84,353.34

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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.