Home / 109,239.53-163,878.02-50,080.26

Finding the Fourth Proportional to 109,239.53, 163,878.02 and 50,080.26

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Solution

The fourth proportional to 109,239.53, 163,878.02 and 50,080.26 is: 75,128.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,239.53 : 163,878.02 = 50,080.26 : x
  2. Step 2: Convert to fraction form
    109,239.53/163,878.02 = 50,080.26/x
  3. Step 3: Cross multiply
    109,239.53x = 163,878.02 × 50,080.26
  4. Step 4: Simplify right side
    109,239.53x = 8,207,053,599.48
  5. Step 5: Solve for x
    x = 8,207,053,599.48/109,239.53
  6. Step 6: Final answer
    x = 75,128.98

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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.