Home / 147,171.21-220,793.70-58,395.40

Finding the Fourth Proportional to 147,171.21, 220,793.70 and 58,395.40

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Solution

The fourth proportional to 147,171.21, 220,793.70 and 58,395.40 is: 87,607.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,171.21 : 220,793.70 = 58,395.40 : x
  2. Step 2: Convert to fraction form
    147,171.21/220,793.70 = 58,395.40/x
  3. Step 3: Cross multiply
    147,171.21x = 220,793.70 × 58,395.40
  4. Step 4: Simplify right side
    147,171.21x = 12,893,336,428.98
  5. Step 5: Solve for x
    x = 12,893,336,428.98/147,171.21
  6. Step 6: Final answer
    x = 87,607.74

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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.