Home / 109,232.08-150,740.30-63,918.78

Finding the Fourth Proportional to 109,232.08, 150,740.30 and 63,918.78

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Solution

The fourth proportional to 109,232.08, 150,740.30 and 63,918.78 is: 88,207.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,232.08 : 150,740.30 = 63,918.78 : x
  2. Step 2: Convert to fraction form
    109,232.08/150,740.30 = 63,918.78/x
  3. Step 3: Cross multiply
    109,232.08x = 150,740.30 × 63,918.78
  4. Step 4: Simplify right side
    109,232.08x = 9,635,136,072.83
  5. Step 5: Solve for x
    x = 9,635,136,072.83/109,232.08
  6. Step 6: Final answer
    x = 88,207.93

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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.