Home / 107,253.12-148,022.44-61,930.98

Finding the Fourth Proportional to 107,253.12, 148,022.44 and 61,930.98

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Solution

The fourth proportional to 107,253.12, 148,022.44 and 61,930.98 is: 85,472.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,253.12 : 148,022.44 = 61,930.98 : x
  2. Step 2: Convert to fraction form
    107,253.12/148,022.44 = 61,930.98/x
  3. Step 3: Cross multiply
    107,253.12x = 148,022.44 × 61,930.98
  4. Step 4: Simplify right side
    107,253.12x = 9,167,174,771.19
  5. Step 5: Solve for x
    x = 9,167,174,771.19/107,253.12
  6. Step 6: Final answer
    x = 85,472.34

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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.