Home / 147,170.21-220,792.20-58,394.40

Finding the Fourth Proportional to 147,170.21, 220,792.20 and 58,394.40

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Solution

The fourth proportional to 147,170.21, 220,792.20 and 58,394.40 is: 87,606.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,170.21 : 220,792.20 = 58,394.40 : x
  2. Step 2: Convert to fraction form
    147,170.21/220,792.20 = 58,394.40/x
  3. Step 3: Cross multiply
    147,170.21x = 220,792.20 × 58,394.40
  4. Step 4: Simplify right side
    147,170.21x = 12,893,028,043.68
  5. Step 5: Solve for x
    x = 12,893,028,043.68/147,170.21
  6. Step 6: Final answer
    x = 87,606.24

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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.