Home / 106,290.16-159,240.80-50,176.64

Finding the Fourth Proportional to 106,290.16, 159,240.80 and 50,176.64

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Solution

The fourth proportional to 106,290.16, 159,240.80 and 50,176.64 is: 75,173.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,290.16 : 159,240.80 = 50,176.64 : x
  2. Step 2: Convert to fraction form
    106,290.16/159,240.80 = 50,176.64/x
  3. Step 3: Cross multiply
    106,290.16x = 159,240.80 × 50,176.64
  4. Step 4: Simplify right side
    106,290.16x = 7,990,168,294.91
  5. Step 5: Solve for x
    x = 7,990,168,294.91/106,290.16
  6. Step 6: Final answer
    x = 75,173.17

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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.