Home / 107,189.68-160,792.20-28,303.12

Finding the Fourth Proportional to 107,189.68, 160,792.20 and 28,303.12

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Solution

The fourth proportional to 107,189.68, 160,792.20 and 28,303.12 is: 42,456.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,189.68 : 160,792.20 = 28,303.12 : x
  2. Step 2: Convert to fraction form
    107,189.68/160,792.20 = 28,303.12/x
  3. Step 3: Cross multiply
    107,189.68x = 160,792.20 × 28,303.12
  4. Step 4: Simplify right side
    107,189.68x = 4,550,920,931.66
  5. Step 5: Solve for x
    x = 4,550,920,931.66/107,189.68
  6. Step 6: Final answer
    x = 42,456.71

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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.