Home / 108,320.20-162,528.90-49,125.40

Finding the Fourth Proportional to 108,320.20, 162,528.90 and 49,125.40

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Solution

The fourth proportional to 108,320.20, 162,528.90 and 49,125.40 is: 73,710.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,320.20 : 162,528.90 = 49,125.40 : x
  2. Step 2: Convert to fraction form
    108,320.20/162,528.90 = 49,125.40/x
  3. Step 3: Cross multiply
    108,320.20x = 162,528.90 × 49,125.40
  4. Step 4: Simplify right side
    108,320.20x = 7,984,297,224.06
  5. Step 5: Solve for x
    x = 7,984,297,224.06/108,320.20
  6. Step 6: Final answer
    x = 73,710.14

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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.