Home / 100,088.55-150,132.86-25,209.32

Finding the Fourth Proportional to 100,088.55, 150,132.86 and 25,209.32

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Solution

The fourth proportional to 100,088.55, 150,132.86 and 25,209.32 is: 37,813.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,088.55 : 150,132.86 = 25,209.32 : x
  2. Step 2: Convert to fraction form
    100,088.55/150,132.86 = 25,209.32/x
  3. Step 3: Cross multiply
    100,088.55x = 150,132.86 × 25,209.32
  4. Step 4: Simplify right side
    100,088.55x = 3,784,746,997.95
  5. Step 5: Solve for x
    x = 3,784,746,997.95/100,088.55
  6. Step 6: Final answer
    x = 37,813.98

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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.