Home / 115,886.38-173,856.68-35,920.16

Finding the Fourth Proportional to 115,886.38, 173,856.68 and 35,920.16

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Solution

The fourth proportional to 115,886.38, 173,856.68 and 35,920.16 is: 53,888.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,886.38 : 173,856.68 = 35,920.16 : x
  2. Step 2: Convert to fraction form
    115,886.38/173,856.68 = 35,920.16/x
  3. Step 3: Cross multiply
    115,886.38x = 173,856.68 × 35,920.16
  4. Step 4: Simplify right side
    115,886.38x = 6,244,959,500.45
  5. Step 5: Solve for x
    x = 6,244,959,500.45/115,886.38
  6. Step 6: Final answer
    x = 53,888.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.