Home / 107,438.52-148,111.19-75,508.32

Finding the Fourth Proportional to 107,438.52, 148,111.19 and 75,508.32

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Solution

The fourth proportional to 107,438.52, 148,111.19 and 75,508.32 is: 104,093.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,438.52 : 148,111.19 = 75,508.32 : x
  2. Step 2: Convert to fraction form
    107,438.52/148,111.19 = 75,508.32/x
  3. Step 3: Cross multiply
    107,438.52x = 148,111.19 × 75,508.32
  4. Step 4: Simplify right side
    107,438.52x = 11,183,627,130.10
  5. Step 5: Solve for x
    x = 11,183,627,130.10/107,438.52
  6. Step 6: Final answer
    x = 104,093.27

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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.