Home / 107,239.26-148,005.48-61,908.18

Finding the Fourth Proportional to 107,239.26, 148,005.48 and 61,908.18

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Solution

The fourth proportional to 107,239.26, 148,005.48 and 61,908.18 is: 85,442.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,239.26 : 148,005.48 = 61,908.18 : x
  2. Step 2: Convert to fraction form
    107,239.26/148,005.48 = 61,908.18/x
  3. Step 3: Cross multiply
    107,239.26x = 148,005.48 × 61,908.18
  4. Step 4: Simplify right side
    107,239.26x = 9,162,749,896.83
  5. Step 5: Solve for x
    x = 9,162,749,896.83/107,239.26
  6. Step 6: Final answer
    x = 85,442.12

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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.