Home / 219,076.80-328,615.20-124,598.40

Finding the Fourth Proportional to 219,076.80, 328,615.20 and 124,598.40

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Solution

The fourth proportional to 219,076.80, 328,615.20 and 124,598.40 is: 186,897.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,076.80 : 328,615.20 = 124,598.40 : x
  2. Step 2: Convert to fraction form
    219,076.80/328,615.20 = 124,598.40/x
  3. Step 3: Cross multiply
    219,076.80x = 328,615.20 × 124,598.40
  4. Step 4: Simplify right side
    219,076.80x = 40,944,928,135.68
  5. Step 5: Solve for x
    x = 40,944,928,135.68/219,076.80
  6. Step 6: Final answer
    x = 186,897.60

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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.