Home / 103,626.20-155,439.30-95,461.40

Finding the Fourth Proportional to 103,626.20, 155,439.30 and 95,461.40

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Solution

The fourth proportional to 103,626.20, 155,439.30 and 95,461.40 is: 143,192.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,626.20 : 155,439.30 = 95,461.40 : x
  2. Step 2: Convert to fraction form
    103,626.20/155,439.30 = 95,461.40/x
  3. Step 3: Cross multiply
    103,626.20x = 155,439.30 × 95,461.40
  4. Step 4: Simplify right side
    103,626.20x = 14,838,453,193.02
  5. Step 5: Solve for x
    x = 14,838,453,193.02/103,626.20
  6. Step 6: Final answer
    x = 143,192.10

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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.