Home / 198,101.40-296,714.70-127,242.60

Finding the Fourth Proportional to 198,101.40, 296,714.70 and 127,242.60

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Solution

The fourth proportional to 198,101.40, 296,714.70 and 127,242.60 is: 190,582.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,101.40 : 296,714.70 = 127,242.60 : x
  2. Step 2: Convert to fraction form
    198,101.40/296,714.70 = 127,242.60/x
  3. Step 3: Cross multiply
    198,101.40x = 296,714.70 × 127,242.60
  4. Step 4: Simplify right side
    198,101.40x = 37,754,749,886.22
  5. Step 5: Solve for x
    x = 37,754,749,886.22/198,101.40
  6. Step 6: Final answer
    x = 190,582.95

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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.