Home / 147,923.40-221,885.10-54,465.60

Finding the Fourth Proportional to 147,923.40, 221,885.10 and 54,465.60

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Solution

The fourth proportional to 147,923.40, 221,885.10 and 54,465.60 is: 81,698.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,923.40 : 221,885.10 = 54,465.60 : x
  2. Step 2: Convert to fraction form
    147,923.40/221,885.10 = 54,465.60/x
  3. Step 3: Cross multiply
    147,923.40x = 221,885.10 × 54,465.60
  4. Step 4: Simplify right side
    147,923.40x = 12,085,105,102.56
  5. Step 5: Solve for x
    x = 12,085,105,102.56/147,923.40
  6. Step 6: Final answer
    x = 81,698.40

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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.