Home / 107,976.16-149,018.64-60,246.08

Finding the Fourth Proportional to 107,976.16, 149,018.64 and 60,246.08

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Solution

The fourth proportional to 107,976.16, 149,018.64 and 60,246.08 is: 83,146.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,976.16 : 149,018.64 = 60,246.08 : x
  2. Step 2: Convert to fraction form
    107,976.16/149,018.64 = 60,246.08/x
  3. Step 3: Cross multiply
    107,976.16x = 149,018.64 × 60,246.08
  4. Step 4: Simplify right side
    107,976.16x = 8,977,788,906.93
  5. Step 5: Solve for x
    x = 8,977,788,906.93/107,976.16
  6. Step 6: Final answer
    x = 83,146.03

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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.