Home / 107,238.48-148,010.16-61,945.80

Finding the Fourth Proportional to 107,238.48, 148,010.16 and 61,945.80

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Solution

The fourth proportional to 107,238.48, 148,010.16 and 61,945.80 is: 85,497.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,238.48 : 148,010.16 = 61,945.80 : x
  2. Step 2: Convert to fraction form
    107,238.48/148,010.16 = 61,945.80/x
  3. Step 3: Cross multiply
    107,238.48x = 148,010.16 × 61,945.80
  4. Step 4: Simplify right side
    107,238.48x = 9,168,607,769.33
  5. Step 5: Solve for x
    x = 9,168,607,769.33/107,238.48
  6. Step 6: Final answer
    x = 85,497.37

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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.