Home / 103,228.02-154,841.70-28,348.24

Finding the Fourth Proportional to 103,228.02, 154,841.70 and 28,348.24

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Solution

The fourth proportional to 103,228.02, 154,841.70 and 28,348.24 is: 42,522.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,228.02 : 154,841.70 = 28,348.24 : x
  2. Step 2: Convert to fraction form
    103,228.02/154,841.70 = 28,348.24/x
  3. Step 3: Cross multiply
    103,228.02x = 154,841.70 × 28,348.24
  4. Step 4: Simplify right side
    103,228.02x = 4,389,489,673.61
  5. Step 5: Solve for x
    x = 4,389,489,673.61/103,228.02
  6. Step 6: Final answer
    x = 42,522.27

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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.