Home / 102,085.52-153,135.56-27,205.27

Finding the Fourth Proportional to 102,085.52, 153,135.56 and 27,205.27

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Solution

The fourth proportional to 102,085.52, 153,135.56 and 27,205.27 is: 40,809.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,085.52 : 153,135.56 = 27,205.27 : x
  2. Step 2: Convert to fraction form
    102,085.52/153,135.56 = 27,205.27/x
  3. Step 3: Cross multiply
    102,085.52x = 153,135.56 × 27,205.27
  4. Step 4: Simplify right side
    102,085.52x = 4,166,093,941.58
  5. Step 5: Solve for x
    x = 4,166,093,941.58/102,085.52
  6. Step 6: Final answer
    x = 40,809.84

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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.