Home / 124,626.10-187,000.14-77,228.50

Finding the Fourth Proportional to 124,626.10, 187,000.14 and 77,228.50

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Solution

The fourth proportional to 124,626.10, 187,000.14 and 77,228.50 is: 115,880.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,626.10 : 187,000.14 = 77,228.50 : x
  2. Step 2: Convert to fraction form
    124,626.10/187,000.14 = 77,228.50/x
  3. Step 3: Cross multiply
    124,626.10x = 187,000.14 × 77,228.50
  4. Step 4: Simplify right side
    124,626.10x = 14,441,740,311.99
  5. Step 5: Solve for x
    x = 14,441,740,311.99/124,626.10
  6. Step 6: Final answer
    x = 115,880.54

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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.